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ThinkPad X series

ThinkPad X220
Developer	IBM (2000–2005) LG/IBM (2000-2004, only for South Korea branding) Lenovo (2005–present)
Type	Compact Laptop, Netbook (X1##e), Subnotebook (X2##), Ultrabook
Release date	September 2000
Predecessor	ThinkPad 240 ThinkPad 500 series

The ThinkPad X series is a line of notebook computers and convertible tablets produced by Lenovo as part of the ThinkPad family. The ThinkPad X series is traditionally the range best designed for mobile use, with ultraportable sizes and less power compared to the flagship ThinkPad T series. It was initially produced by IBM until 2005.

IBM announced the ThinkPad X series (initially the X20) in September 2000 with the intention of providing "workers on the move with a better experience in extra-thin and extra-light mobile computing." The ThinkPad X series replaced both the 240 and 570 series during IBM's transition from numbered to letter series during the early 2000s. The first X Series laptops were "slimmer than a deck of cards" and "lighter than a half-gallon of milk", despite the presence of a 12.1-inch Thin-film transistor (TFT LCD) display. These design values—thin and light—continued to be integral to the ThinkPad X-series laptops' design and marketing, even after the purchase of IBM's Personal Computing Division by Lenovo. The first X Series ThinkPad released by Lenovo was the X41 in 2005.

The ThinkPad X-series laptops from Lenovo were described by Trusted Reviews as "combining an ultraportable's weight and form factor with a durable design." The X-series laptop styles include traditional ultraportables, as well as convertible tablet designs. According to Lenovo, the ThinkPad X-series laptops include low power processors, offer long battery life, and several durability features such as a Roll Cage (Magnesium Frame around the Display), magnesium alloy covers, and a spill-resistant keyboard but currently lacks a replaceable battery and upgradable RAM slots.

Battery configuration

IBM-branded models

2000

X20

The X20 was the first in IBM/Lenovo's long-standing X-series ultraportable line; the Celeron-based configurations had a thinner case.

• Processor: Intel Coppermine Mobile, Celeron (500 MHz), or Pentium III (600 MHz)
• Memory: 64–128 MiB, maximum of 320 MiB (1 slot, 64 MiB soldered) SDR
• Storage: IDE, 10 or 20 GB
• Display: 12.1 in (31 cm) SVGA (800 × 600) or XGA (1024 × 768) CCFL-backlit TN LCD
• Dimensions: 279 × 227 × 25–30 mm (or 24–28 mm with Celeron CPU)
• Mass/Weight: 1.6 kg (3.5 lb), or 1.43 kg (3.2 lb) (with standard battery, and Pentium III or Celeron CPU)

2001

X21

Same specifications as the X20, except an optional 600 or 700 MHz processor and more onboard RAM could be ordered.

X22

All new internal design, slim-version dropped, SVGA screen option dropped, Tualatin CPUs, faster (Mobility Radeon 7000 8 MiB) GPU, Communications Daughter Card/CDC slot, optional FireWire and/or WiFi on some models, 133 MHz FSB, maximum RAM increased to 640 MiB.

• Processor: Intel Pentium III Mobile (733 or 800 MHz)
• Memory: 128, 256, up to 640 MiB (1 slot, 128 MiB soldered) SDR; 8-chip 512 MiB or 4-chip 128 MiB modules only.
• Storage: IDE, 10 or 20 GB
• Display: 12.1 in (31 cm) XGA (1024 × 768) CCFL-backlit TN LCD
• Dimensions: 279 × 227 × 25–30 mm
• Mass/Weight: 1.56 kg (3.4 lb) (with standard battery)

2002

X23

Same as the X22 but with faster processors (800 or 866 MHz), bigger hard drives up to 30 GB, Bluetooth, and the IBM Security Sub System on selected models.

X24

Same as the X23 with even faster processors: 1.06 to 1.13 GHz.

X30

Full-powered successor to the X2x line with a completely redesigned case. However, they shared much of the technology. 830MG chipset with Intel Extreme Graphics GPU. Maximum of 1 GiB RAM, thanks to two RAM slots. FireWire was now standard on all models. Up to 60 GB hard drives were available, and additional secondary "Extended Life Battery" could be purchased.

• Processor: Intel Pentium III-M (1.06 or 1.2 GHz)
• Memory: 128, 256, or 512 MiB DDR (up to 1024 MiB, 2 slots)
• Storage: IDE, 15, 20, 30, 40, 48 or 60 GB
• Display: 12.1 in (31 cm) XGA (1024 × 768) CCFL-backlit TN LCD
• Dimensions: 273 × 223 × 25–30 mm
• Mass/Weight: 1.64 kg (3.6 lb) (with standard battery)

2003

X31

X30 updated to the Intel Centrino platform, Pentium M CPUs, faster RAM (DDR PC2100), better GPU (ATI Radeon 7000) and more VRAM (16 MiB), USB 2.0, 2nd USB port on the left side, Gigabit LAN introduced on some models, IBM Security Sub System on some models.

• Processor: Intel Pentium M (Banias), L2-Cache: 1 MiB, TDP: 22–24.5 W, 400 MT/s FSB
  • 1.3 GHz, 1.4 GHz, 1.5 GHz, 1.6 GHz, or 1.7 GHz
• Memory: 256–512 MiB DDR (up to 2048 MiB, 2 slots)
• Storage: IDE 2.5";
  • Models with 4200 RPM drives and capacities of 20, 30, 40, or 60 GB
  • Models with 5400 RPM drives and capacities of 40, 60, or 80 GB
• Display: 12.1 in (31 cm) XGA (1024 × 768) CCFL-backlit TN LCD
• Dimensions: 273 × 223 × 30.2 mm
• Mass/Weight: 1.64 kg (3.6 lb) (with standard battery)

X40

The first model in a new "Thin and Light" sub-line. Specifications:

• Processor: Intel Pentium M 1.0, 1.2, or 1.3 GHz (Banias) or 1.1, 1.2, 1.4, 1.5, or 1.6 GHz (Dothan)
• Memory: 256–1,536 MiB DDR (256 or 512 MiB soldered, 1 slot)
• Storage: IDE 1.8", 20 or 40 GB
• Display: 12.1 in (31 cm) XGA (1024 × 768) CCFL-backlit TN LCD
• Dimensions: 268 mm × 211 mm × 21–27 mm
• Mass/Weight: 1.23 kg (2.7 lb)

2005

X41, X41 Tablet

Three years after the release of the X30, upon acquiring the ThinkPad division, Lenovo released the ThinkPad X41 ultraportable laptop and the ThinkPad X41 tablet. The X41 tablet was convertible, with the capacity to function as a tablet PC and an ultraportable laptop.

X32

The X32 was introduced in 2005. The numbering system was irregular, as it was actually introduced after the X40, but using the older X3x chassis design. It was also more powerful than the X40 and X41 units, due to the use of faster full-voltage Dothan processors and standard 2.5-inch 5400/7200 RPM hard drives. It was a very short-lived model, discontinued within months of introduction. On this model, IBM included Gigabit LAN and the Security Sub System on all models. The X32 and X41 are two of the last IBM-designed ThinkPads before Lenovo took over. The X41 tablet was designed by Lenovo.

2006

The X-series laptops released in 2006 by Lenovo were the X60, X60s, and X60 Tablet.

X60 and X60s

The X60 and X60s slimline differed primarily by their processors: the X60s had a soldered low voltage processor, while the X60 did not. This gave the X60s a lower active temperature and longer battery life in exchange for reduced performance. The X60s also had a smaller heatsink and a slightly thinner case with a different battery form factor, although it could use standard X60 batteries with a plastic adapter.

In its review of the ThinkPad X60/X60s, Notebook Review called the laptop, "Hands down the best performing ultraportable on the market", while raising issues about the design and the lack of an optical drive.

The two laptops were available in a variety of configurations. Later X60 models used 64-bit Core 2 Duo CPUs, and some X60s were available with a lightweight LCD panel. Typical specifications of the laptops are provided below:

• Processor:
  • Intel Core Solo T1300 (1.6 GHz), Core Duo T2300E, T2400, T2500 (1.66–2.0 GHz) or Core 2 Duo T5500, T5600, T7200 (1.66–2.0 GHz) – X60
  • Intel Core Duo L2300, L2400, L2500 (1.50–1.83 GHz), or Core 2 Duo L7400 (1.50 GHz) – X60s
• Chipset: Intel 945GM
• Memory: up to 3.2 GiB DDR2 (2 slots, fits 4 GiB, but chipset limit is 3.2 GiB)
• Graphics: Intel GMA 950
• Storage: 1 × 2.5" SATA 1.5 Gbit/s (80 GB 5400 RPM)
• Display: 12.1 in (31 cm) 1024 × 768 CCFL-backlit TN LCD
• Mass/Weight: starting at 1.43 kg (3.15 lb) (X60), or 1.38 kg (3.04 lb) (X60s)
• Operating System: Microsoft Windows XP Professional

X60 Tablet

The ThinkPad X60 Tablet was praised by reviewers. LAPTOP Magazine said the ThinkPad X60 Tablet "raises the bar for business-class convertibles". The most significant issue raised was the low capacity 4-cell battery, which provided a battery life of two hours.

Lenovo-branded models

Battery configuration

2007

This section is missing information about ThinkPad Reserve Edition (model number X61Ls). Please expand the section to include this information. Further details may exist on the talk page. (February 2024)

The X Series laptops released by Lenovo in 2007 were the X61, the X61s, and the X61 tablet.

X61 and X61s

The X61 received mixed user reviews on CNET, with some users reporting display problems and delivery delays, while others praised the laptop for performance and portability.

Reviewers, however, praised the ultraportable. Notebook Review called it an "extremely fast ultraportable". However, they criticized the display colors and viewing angles. They also pointed out that the palm rest was prone to heating up because of the wireless networking card underneath it.

The X61s was lauded for its excellent build quality, performance, and long battery life. The battery was an improvement over the X41. The model is one of the last to feature a 4∶3 aspect ratio display.

Some X60s models shipped with the Intel Core 2 Duo L7300 clocked at 1.40 GHz or the L7700 clocked at 1.80 GHz. As of 2018, it was still possible to purchase new batteries and spare parts for these laptops from a few online retailers.

X61 Tablet

The ThinkPad X61 tablet also received positive reviews, with IT Reviews saying that "the build quality and engineering are second to none and this shines through with the tablet features which have been executed with something close to genius". However, the high price tag and relatively inadequate performance were criticized by the reviewer.

tabletPC Review acknowledged the sturdiness of the X61 tablet, the high battery life, and the quality of the pen. The features that met with disfavor were the lack of a widescreen, display brightness and colors, and the lack of an optical drive—although the reviewer admitted that the absence helps reduce weight.

2008

The laptops released in the X series in 2008 followed the new naming conventions established by Lenovo. The X Series laptops released by Lenovo in 2008 were X200, X200t and X300.

X200 and X200s

The ThinkPad X200 was released on 15 July 2008. It leveraged the new technology from the X300, including the options of a solid-state drive (SSD), an optional integrated camera, 12.1 in (31 cm) widescreen display, optional 3G mobile broadband card, a new 9-cell battery for extended running time up to 9.8 hours, weight as low as 1.34 kg (2.95 lb), and an Intel Core 2 Duo CPU up to 2.66 GHz.

Lenovo released X200s on 23 September 2008. It differed from the standard X200 in being lighter, having longer battery life, and running more quietly due to an "owl fan" design for cooling taken from the X300. The X200s was available with more than half a dozen different CPUs and three screen options; the top of the range was a WXGA+ LED-Backlit TN Panel.

The X200s features cooler components (made possible with the fan design modeled on owl-wings). However, both laptops did not have a touchpad (only the TrackPoint), no HDMI, DVI, or DisplayPort, and no built-in optical drive. The X200 series included tablet PC models, designated by the usage of the "t" suffix, primarily the X230t.

X200 Tablet

Lenovo released X200 tablet on 9 September 2008. Like other tablet-designated models this added a convertible screen assembly containing a touch digitizer with pen and buttons on the screen front for operating the device without access to keyboard and buttons in converted mode.

X300 and X301

Codenamed "Kodachi", the X300 was released on 26 February 2008. It is distinguished from other ultraportable laptops by its use of LED backlighting, removable battery, solid-state drive, and integrated DVD burner. The ThinkPad X300 used a small form factor Intel GS965 chipset (instead of the standard GM965 chipset), along with the Intel Core 2 Duo L7100 low-voltage CPU (with 12 W Thermal design power (TDP). Its successor, the ThinkPad X301 uses the Intel Centrino 2 mobile platform with GS45 chipset, and an ultra-low-voltage (ULV) CPU. It also integrates GPS, WWAN, and a webcam in the top lid. The thickest part of the laptop is 23 mm (0.92 in), while the thinnest part is 19 mm (0.73 in).

The X300's original internal codename was "Razor", after the then-popular Motorola Razr flip phone. Lenovo noticed that three technologies were converging that would make it possible to build a very thin, light, and fast ThinkPad. The first was solid-state storage, which would replace mechanical hard drives. The second was light-emitting diode (LED) backlighting for flat-panel displays which would improve battery life and image quality. The third was ultrathin optical drives just 7 mm thick, compared to 9.5 mm and 12.7 mm used by previous ThinkPads. The Razor concept was eventually merged with the Bento-Fly project and renamed Kodachi.

The price at the time of the review by Notebook Review was extremely high, and indicated to be out of range for all but corporate users. LAPTOP Magazine awarded the X300 laptop a score of 4.5 stars, among the highest for a ThinkPad X-series laptop.

This laptop was less than an inch thick, making it the thinnest ThinkPad available at the time. The X300 laptop offered a quick boot with SSD. It also offered a built-in optical drive, uncommon in thin and light notebooks. However, the laptop did not include an SD card reader, had no expansion dock capability, and no ExpressCard or PC Card slot.

Model	Release (EU)	Dimensions (mm / in)	Weight	CPU	Chipset	Memory	Graphics	Storage	Networking	Screen	Battery	Other
12.1"
X200	2008	295 × 210 × 21–35 11.61 × 8.27 × 0.83–1.38	1.35 kg (3.0 lb)	Intel Core 2 Duo Penryn P8400, P8600, P8700... T9600	Intel GM45	8 GiB DDR3 — 1066 MHz (2 slots)	Intel GMA 4500MHD	One 2.5" SATA Drive	Gigabit Ethernet Wi-Fi Mini PCIe Card Optional BT 2.1 Module Optional WWAN Mini PCIe Card (exclusive)	16:10 aspect ratio 1280×800 TN	M(4/6/9)	One white ThinkLight
X200s	2008	295 × 210 × 21–29 11.61 × 8.27 × 0.83–1.14	1.1 kg (2.4 lb)	Intel Penryn Celeron SU2300 (1x 1.2 GHz) or Core 2 Duo up to SL9600 (2x 2.13 GHz)	Intel GM45	8 GiB DDR3 — 1066 MHz (2 slots)	Intel GMA 4500MHD	One 2.5" SATA Drive Turbo Memory Half Mini PCIe Card (exclusive option)	Gigabit Ethernet Wi-Fi Mini PCIe Card Optional BT 2.1 Module Optional WWAN	16:10 aspect ratio 1280×800 TN 1440×900 TN	M(4/6/9)	One white ThinkLight
X200 Tablet	2008	295 × 228 × 26.5–33 11.61 × 8.98 × 1.04–1.30	1.6 kg (3.5 lb)	Intel Core 2 Duo	Intel GM45	8 GiB DDR3 — 1066 MHz (2 slots)	Intel GMA 4500MHD	One 2.5" SATA Drive	Gigabit Ethernet Wi-Fi Mini PCIe Card Optional BT 2.1 Module Optional WWAN	16:10 aspect ratio 1280×800 IPS Touch	M(4/8)
13.3"
X300	2008	318 × 231 × 18.6–23.4 12.52 × 9.09 × 0.73–0.92	1.43 kg (3.2 lb)	Intel Core Duo SL7100	Intel GS965	8 GiB DDR2 — 667 MHz (2 slots)	Intel GMA X3100	One UltraBay One 1.8" SATA Drive	Gigabit Ethernet Wi-Fi Mini PCIe Card BT 2.0 Module Optional WWAN Mini PCIe Card (exclusive) Optional UWB Half Mini PCIe Card (exclusive)	16:10 aspect ratio 1440×900 TN	M(3/6) U	One white ThinkLight
X301	2008	318 × 231 × 18.6–23.4 12.52 × 9.09 × 0.73–0.92	1.43 kg (3.2 lb)	Intel Core 2 Duo SU9400 or SU9600	Intel GS45	8 GiB DDR3 — 1066 MHz (2 slots)	Intel GMA 4500MHD	One UltraBay One 1.8" SATA Drive Turbo Memory Half Mini PCIe Card (exclusive option)	Gigabit Ethernet Wi-Fi Mini PCIe Card BT 2.0 or 2.1 Module Optional WWAN Mini PCIe Card (exclusive)	16:10 aspect ratio 1440×900 TN	M(3/6) U	One white ThinkLight

2010

The X-series laptops released in 2010 from Lenovo were the X100e, X201, X201s, and X201 tablet.

X100e and Mini 10

The ThinkPad X100e was released in 2010, with Engadget calling the laptop "the perfect solution between a netbook and a larger 13- or 14-inch ULV ultraportable". Available in two colors (heatwave red and the traditional ThinkPad matte black) the design was compared to that of the Edge series which deviated from traditional ThinkPad design. The X100e, however, despite the choice of colors, retained the "angular edges and boxy build" which "scream traditional ThinkPad design".

The specifications of the X100e laptop are given below:

• Processor: 1.6 GHz AMD Athlon Neo Single-Core MV-40
• Memory: Up to 4 GiB 667 MT/s DDR2 (2 slots) with 2 GiB fitted as standard
• Graphics: ATI Radeon 3200
• Display: 11.6 in (29 cm) 1366 × 768 (16∶9) LED-backlit TN LCD
• Storage: 1 × SATA 3 Gbit/s (250 GB 5400 RPM)
• 0.3 Mpx webcam, 4-in-1 card reader
• Battery: 6-cell
• Dimensions: 280 mm × 210 mm × 15 mm–30 mm (11.02 in × 8.27 in × 0.59 in–1.18 in)
• Mass/Weight: 1.5 kg (3.3 lb) with a 6-cell battery
• Operating System: Microsoft Windows 7 Professional 32-bit

A modified and re-branded low-cost version of the Lenovo X100e, named the Mini 10 was issued to all Year 9 students in Australia at the start of 2010. They featured an Intel Atom N450 (1.66 GHz) processor, 160 GB HDD, 2 GiB RAM, a 10-inch 1280×720 Screen (fitted in a 11.6-inch frame), 0.3MP Webcam and Windows 7 Enterprise, although they had a COA for Windows XP Home Edition on the bottom.

X201, X201i and X201s

The main 12-inch line-up only received an internal hardware update and a new palmrest with a touchpad.

The X201i model is a version of the regular X201 with a Core i3 CPU.

X201 Tablet

The X201 tablet, released in 2010, was criticized by Engadget for its lack of durability, protruding battery, and 33 mm (1.3 in) thick body, while praised for its performance. Notebook Review had similar views about the X201 tablet in terms of both performance and battery life while indicating the display was superior to that of the X201 or X201s.

Model	Release (EU)	Dimensions (mm / in)	Weight	CPU	Chipset	Memory	Graphics	Storage	Networking	Screen	Battery	Other
10.1"
X100e (Intel) / Mini 10	2010		1.33 kg (2.9 lb)	Intel Atom N450	Intel NM10	2 GB DDR2 — 667 MHz (1 slot)	Intel GMA 3150	One 2.5" SATA Drive	Gigabit Ethernet Wi-Fi Mini PCIe Card BT 2.1 Module	1280×720	M(6)
11.6"
X100e (AMD)	2010	282 × 209 × 16–30 11.10 × 8.23 × 0.63–1.18	1.47 kg (3.2 lb)	AMD Athlon Neo	AMD M780G	8 GB DDR2 — 667 MHz (2 slots)	ATI Mobility Radeon HD	One 2.5" SATA Drive	Gigabit Ethernet Wi-Fi Mini PCIe Card BT 2.1 Module Optional WWAN Mini PCIe Card (exclusive)	1366×768	M(6)
12.1"
X201	2010	295 × 210 × 20.7–35.3 11.61 × 8.27 × 0.81–1.39	1.31 kg (2.9 lb)	Intel 1st Gen Core i5	Intel QM57	8 GB DDR3 — 1066 MHz (2 slots)	Intel HD Graphics	One 2.5" SATA Drive	Gigabit Ethernet Wi-Fi Mini PCIe Card Optional BT 2.1 Module Optional WWAN Mini PCIe Card (exclusive)	16:10 aspect ratio 1280×800	M(4/6/9)	One white ThinkLight
X201i				Intel 1st Gen Core i3
X201s	2010	295 × 210 × 20.7–28.7 11.61 × 8.27 × 0.81–1.13	1.1 kg (2.4 lb)	Intel 1st Gen Core	Intel QM57	8 GB DDR3 — 1066 MHz (2 slots)	Intel HD Graphics	One 2.5" SATA Drive	Gigabit Ethernet Wi-Fi Mini PCIe Card Optional BT 2.1 Module	16:10 aspect ratio 1440×900	M(4/6/9)	One white ThinkLight
X201 Tablet	2010	295 × 228 × 26.5–33.3 11.61 × 8.98 × 1.04–1.31	1.62 kg (3.6 lb)	Intel 1st Gen Core	Intel QM57	8 GB DDR3 — 1066 MHz (2 slots)	Intel HD Graphics	One 2.5" SATA Drive	Gigabit Ethernet Wi-Fi Mini PCIe Card Optional BT 2.1 Module Optional WWAN Mini PCIe Card (exclusive)	16:10 aspect ratio 1280×800 Pen	M(4/8)

2011

The ThinkPad X-series laptops released in 2011 by Lenovo were the X120e, X220, X220i, X220 Tablet and X1.

In some models the keyboard is significantly changed: The extra buttons for mute, volume up, and volume down are moved under Fn+Fxx keys. The shape of the keys and the distance between keys are changed (Chiclet or Island-style keyboard). There is a global trend that the keys are getting more flat, and the way of movement is getting shorter. The last and most popular models with a really traditional keyboard were X61, X200, X201 (sleeper ThinkPad builders are using these models to put a custom motherboard into the "vintage" case, see: X62, X210). This year X220 had an almost traditional keyboard, but some keys (ins, del) changed their positions and size.

X120e, X121e

The ThinkPad X120e was released in March 2011. The laptop won Best Affordable Business Ultraportable at CES 2011. The laptop's specifications are given below.

• Battery: 7.5 hours
• Mass/Weight: Starting at 1.33 kg (2.93 lb) with a 3-cell battery.

X220

The ThinkPad X220 was released in April 2011 with a new thinner, latchless case, a 16:9 screen and USB 3.0. LAPTOP Magazine received the X220 positively. It was praised for its battery life, performance, low weight, display, keyboard, and significantly improved temperature control. However, the web camera did not receive favor—while images were crisp and clear, colors were reported to be muted.

Engadget said the "all-too-familiar ThinkPad can deceive you with its boring business looks, but it's arguably one of the best laptops we've ever tested". Notebook Review was of the same opinion, stating that the "ThinkPad X220 is quite simply the best 12-inch business notebook we've reviewed so far."

The laptop's specifications are given below:

• Processor: Intel Sandy Bridge, up to a Core i7-2640M
  • Core i3-2310M (2.1 GHz, 3 MB L3 cache)
  • Core i5-2410M (2.3 GHz, 3 MB L3 cache)
  • Core i5-2520M (2.5 GHz, 3 MB L3 cache)
  • Core i5-2540M (2.6 GHz, 3 MB L3 cache)
  • Core i7-2620M (2.7 GHz, 4 MB L3 cache)
  • Core i7-2640M (2.8 GHz, 4 MB L3 cache)
• Memory: Up to 8 GiB DDR3 1333 MT/s (unofficially up to 16 GiB and 1866 MT/s)
• Graphics: Intel HD Graphics 3000 (12 EUs)
• Display: 12.5 in (32 cm) 1366 × 768 (16∶9) LED-backlit TN or IPS LCD. The X220 was the first non-tablet X series to have an IPS screen option from the factory.
• Storage: 1 × SATA III 6 Gbit/s, 1 × mSATA II 3 Gbit/s
• Battery: Up to 9 hours with a 6-cell battery and up to 15 hours with a 9-cell battery. This battery life can be increased to 23 hours with a 9-cell battery and an external battery pack.
• Mass/Weight: 1.54 kg (3.40 lbs) including the 6-cell battery.
• Dimensions: 305 mm × 206.5 mm × 19 mm–34.6 mm (12.01 in × 8.13 in × 0.75 in–1.36 in)

The X220i uses the same motherboard and chipset as the standard X220 but has a less powerful Intel Core i3 processor, compared to the i5 and i7 options available for the X220. As another cost-reducing measure, the X220i was not offered with an IPS display option.

X220 Tablet

The X220 Tablet was also released in April 2011. It offered the same specifications as the X220 laptop in terms of processor, graphics, and RAM. The battery life on the X220 tablet was up to nine hours with a 6-cell battery and up to 18 hours with an external battery pack and a 6-cell battery. The starting weight of the tablet was 3.88 lbs.

X1 (original)

An addition to the lightweight X series, weighing between 1.36 kg to 1.72 kg depending on configuration. It was the thinnest ThinkPad laptop to date at 16.5 (front) and 21.5 mm (rear). The screen is a 13.3-inch (340 mm) LED-backlit HD infinity panel with 1366 × 768 (WXGA) resolution. The base configuration uses an Intel Sandy Bridge 2.5 GHz Core i5-2520M (up to 3.20 GHz) with 4 GiB of RAM (up to 8 GiB), SATA SSD or hard drive, Intel Integrated HD Graphics, USB 3.0, backlit keyboard, 802.11 b/g/n WiFi and an average of eight hours of battery life. The battery is internal and not removable, and there is no optical drive.

The ThinkPad X1 laptop was released by Lenovo in May 2011. Notebook Review offered a positive opinion of the ThinkPad X1, saying that it was, "A powerful notebook that combines the durability and features of a business-class ThinkPad with the style of a consumer laptop." A 13.3-inch X1 ThinkPad was announced to be available in the UK on June 7, 2011.

The specifications of the ThinkPad X1 laptop are given below:

• Processor: Up to Intel Core i7-2620M (2× 2.70 GHz, 4 MiB L3)
• Memory: Up to 8 GiB DDR3 1333 MT/s (1 slot)
• Graphics: Intel HD Graphics 3000 (12 EUs)
• Storage: 1 × SATA III 6 Gbit/s (320 GB 7200 RPM HDD, or an SSD, ranging from 128 GiB to 160 GB)
• Battery: Up to 5.2 hours. This could be extended further to 10 hours with a slice battery.
• Mass/Weight: Starting at 1.69 kg (3.73 lb)
• Dimensions: 340 mm × 230 mm × 17 mm–21 mm (13.39 in × 9.06 in × 0.67 in–0.83 in)

Model	Release (EU)	Dimensions (mm / in)	Weight	CPU	Chipset	Memory	Graphics	Storage	Networking	Screen	Battery	Other
11.6"
X120e (Intel)	Mar 2011	282 × 189–210 × 15.6–29.5 11.10 × 7.44–8.27 × 0.61–1.16	1.33–1.5 kg (2.9–3.3 lb)	AMD Zacate Fusion E-240 or E-350	AMD A50M FCH	16 GB DDR3L — 1333 MHz (2 slots)	AMD Radeon HD 6310M	One 2.5" SATA Drive	Gigabit Ethernet Wi-Fi Half Mini PCIe Card Optional BT 3.0 Module Optional WWAN Mini PCIe Card (exclusive)	1366×768	M(6)
X121e (Intel)	Aug 2011	289.6 × 208 × 23.5 11.40 × 8.19 × 0.93	1.4 kg (3.1 lb)	Intel 2nd Gen Core i3	Intel HM65	16 GB DDR3 — 1333 MHz (2 slots)	Intel HD Graphics 3000	One 2.5" SATA 7mm Drive	Gigabit Ethernet Wi-Fi Half Mini PCIe Card BT 3.0 Module Optional WWAN Half Mini PCIe Card (exclusive)	1366×768	M(6)
X121e (AMD)				AMD C-50, E-300, E-350, or E-450	AMD A50M FCH	16 GB DDR3L — 1333 MHz (2 slots)	AMD Radeon HD 6310M or 6320M
12.5"
X220	Apr 2011	305 × 206.5 × 19.0–26.6 12.01 × 8.13 × 0.75–1.05	1.35 kg (3.0 lb)	2nd Gen Intel Core	Intel QM67	16 GB DDR3 — 1333 MHz (2 slots)	Intel HD Graphics 3000	One 2.5" SATA 7mm Drive	Gigabit Ethernet Wi-Fi Half Mini PCIe Card Optional BT 3.0 Module Optional WWAN Mini PCIe Card (exclusive)	1366×768	M(9) S
X220i				2nd Gen Intel Core i3							M(9) S
X220 Tablet	May 2011	305 × 228.7 × 27–31.3 12.01 × 9.00 × 1.06–1.23	1.66 kg (3.7 lb)	2nd Gen Intel Core		16 GB DDR3 — 1333 MHz (2 slots)	Intel HD Graphics 3000	One 2.5" SATA 7mm Drive	Gigabit Ethernet Wi-Fi Half Mini PCIe Card BT 3.0 Module Optional WWAN	1366×768	M(6) S
X220i Tablet				2nd Gen Intel Core i3							M(6) S
13.3"
X1	June 2011	337 × 231.1 × 16.5–21.3 13.27 × 9.10 × 0.65–0.84	1.69 kg (3.7 lb)	2nd Gen Intel Core	Intel QM67	8 GB DDR3 1333 MHz (1 slot)	Intel HD Graphics 3000	One 2.5" SATA 7mm Drive	Gigabit Ethernet Wi-Fi Half Mini PCIe Card BT 3.0 Module Optional WWAN	1366×768	m S

2012

The ThinkPad X-series laptops released in 2012 by Lenovo were the X1 Carbon, X131e, X230 and X230t (tablet).

In the T, W, and L series the models ThinkPad T430, T430s, T530, W530, L430 and L530 were also released.

The Ins, or Insert key, was removed as an individual key, and instead changed as a function of the End key. To use the Insert key's functionality, one would now need to use the key combo Fn-End, completely eradicating the ability to use Ctrl-Ins - Shift-Ins as an alternative way to use copy and paste.

X130e, X131e

The X131e is a laptop designed for the education market and comes in three versions: ChromeOS, Windows and DOS. It has a durable case fitted with rubber bumpers and thickened plastic case components to improve its durability. The display is an 11.6 in (29 cm) panel with a 1366 × 768 resolution and an anti-glare coating. It can be customized with various colors, school logos, and asset tagging. The X131e comes in several processor versions: Intel's Celeron/Core i3 and AMD's E1/E2. All models are basically the same as the X130e, with some including SIM card slots for cellular network access and some including Wireless WAN (WWAN) cards.

A special edition laptop was provided for Australian Year 9 students as part of the Digital Education Revolution (DER) program in 2012.

Hardware specifications:

• Processor: Intel Celeron 867 (1.2 GHz dual-core)
• Memory: 4 GiB DDR3
• Storage: 320 GB SATA HDD, with additional SD-card slot
• Display: 11.6 in (29 cm) 1366 × 768 (16∶9) LED-backlit TN LCD
• Integrated 0.3 Mpx camera
• Integrated Wi-Fi and Bluetooth
• Mass/Weight: 1.78 kg (3.9 lb) with 6-cell battery

X230

The ThinkPad X230 announced on 15 May 2012 replaced the earlier X220. The X230 uses the same chassis but introduced a new chiclet-style, 6-row keyboard replacing the classic 7-row keyboard style, Ivy Bridge processor. The new keyboard design became a controversial topic in the ThinkPad community along with the locked-down BIOS that discouraged third-party components including batteries or WLAN cards. The Ivy Bridge processors brought performance improvements compared to the X220, and the integrated Intel HD Graphics 4000 is more than capable of delivering a good gaming experience in 4X or classic RTS games. As of 2024, this is one of the last models of the X-Series able to run Libreboot, a Free Software BIOS replacement.

The maximum amount of installable memory is 16 GiB in two memory slots, allowing for dual-channel RAM. Just like the X220, it is possible to use an mSATA SSD within the second Mini PCI Express slot instead of a WWAN card.

Specifications:

• Processor: Intel 3rd Generation Core i5/i7 (Ivy Bridge) CPU:
  • Core i7-3520M (2.9 GHz dual-core, 4 MB L3 cache)
  • Core i5-3360M (2.8 GHz dual-core, 3 MB L3 cache)
  • Core i5-3320M (2.6 GHz dual-core, 3 MB L3 cache)
  • Core i5-3210M (2.5 GHz dual-core, 3 MB L3 cache)
• Memory: Up to 16 GiB DDR3 (1600 MT/s, 2 socketed DIMMs)
• Graphics: Intel HD Graphics 4000 (16 EUs)
• Display: 12.5 in (32 cm) 1366 × 768 (16∶9) LED-backlit TN or IPS LCD
• Storage: 1 × SATA III 6 Gbit/s (320 or 500 GB HDD, or 128 or 180 GiB SSD), 1 × mSATA III 6 Gbit/s socket (a WWAN card may be installed instead)
• 720p HD webcam (04f2:b2eb Chicony Electronics Co., Ltd) or 3×3 Antenna Grid

X230i is just an i3-equipped version of a regular X230 without Bluetooth.

X230s

The X230s is a China market only model. More akin to later X240 instead of the X230, it gained many of the design cues later found on the X240 and were equipped with Intel 3rd Gen ULV CPUs, a thinner and ligher design while on an Ultrabook, and Power Bridge, which adds a secondary internal battery and allows hot swapping the main external battery without shutting the system down.

X230 Tablet

The ThinkPad X230 Tablet was announced on 15 May 2012 and replaced the earlier X220 Tablet. The ThinkPad X230t is not compatible with previous series 3 docking stations (4337 and 4338) and is only compatible with the UltraBase series 3 "slice base". The X230t has a touchscreen with stylus support whereas the X230 has no touchscreen. The X230T also has a full size display port whereas the X230 has a mini display port.

X1 Carbon 1st Gen

In early August 2012, Lenovo released the first generation of ThinkPad X1 Carbon announced on 15 May 2012. The X1 Carbon weighs 1.35 kg (3.0 lb), has a battery life of roughly eight hours, and has a start-up time of less than 20 seconds. The X1 Carbon was first released in China because of the popularity of ThinkPads in that market.

The first X1 Carbon featured only an M.2 SSD instead of a 2.5" hard drive bay. The base model has 4 GiB of memory, an Intel Core i5-3317U processor, and a 128 GiB SSD. The most expensive model has an Intel Core i7 processor and a 256 GiB SSD. The X1 Carbon requires a dongle to connect an Ethernet cable, and some models include a 3G cellular modem.

The first-generation X1 Carbon has a 14 in (36 cm) TN-panel LCD display with a resolution of 1600 × 900 (16∶9 aspect ratio). The X1 Carbon weighs 1.36 kg (3.0 lb) and measures 331 mm × 226 mm × 19 mm (13.03 in × 8.9 in × 0.74 in). The X1 Carbon's case is made of light carbon fiber and has a matte black finish. The Carbon is also marketed "as the thinnest 14" ultrabook.

In a review published for CNET, Dan Ackerman wrote, "At first glance, the ThinkPad X1 Carbon looks a lot like other ThinkPads, but in the hand it stands out as very light and portable. The excellent keyboard shows up other ultrabooks, and the rugged build quality is reassuring. With a slightly boosted battery and maybe a lower starting price, this could be a serious contender for my all-around favorite thin laptop."

Peter Bright wrote a disparaging review for Ars Technica. He found the new X1 Carbon with the "Adaptive Keyboard" to be near perfect but unusable because the keyboard was so non-standard when compared with that of a desktop or the older ThinkPad T410s and Lenovo Helix keyboards. As a touch typist, he despaired at the removal of the function keys, and the layout. He cited the repositioning of the Caps Lock key, replacing it with Home/End, and the positioning of the backspace and delete keys.

In November 2012, Lenovo announced a touch-screen variant called the ThinkPad X1 Carbon Touch designed for use with Windows 8. Its display makes use of multi-touch technology that can detect simultaneous inputs from up to ten fingers. On the performance of the X1 Carbon Touch's SSD, Engadget states, "The machine boots into the Start screen in 11 seconds, which is pretty typical for a Windows 8 machine with specs like these. We also found that the solid-state drive delivers equally strong read and write speeds (551 MB/s and 518 MB/s, respectively), which we noticed the last time we tested an Ultrabook with an Intel SSD."

Model	Release (EU)	Dimensions (mm / in)	Weight	CPU	Chipset	Memory	Graphics	Storage	Networking	Screen	Battery	Other
11.6"
X130e (Intel)	2012	293.4 × 216 × 24.8 11.55 × 8.50 × 0.98	1.78 kg (3.9 lb)	Intel Celeron 867 Intel Core i3-2367M	Intel HM65	16 GB DDR3L — 1333 MHz (2 slots)	Intel HD Graphics 3000	One 2.5" SATA Drive	Gigabit Ethernet Wi-Fi Half Mini PCIe Card Optional BT 3.0 Module Optional WWAN Mini PCIe Card (exclusive)	1366×768	M(6)
X130e (AMD)				AMD E-300 or E-450	AMD A50M FCH		AMD Radeon 6310 or 6320
12.5"
X230	May 2012	305 × 206.5 × 19.0–26.6 12.01 × 8.13 × 0.75–1.05	1.34 kg (3.0 lb)	3rd Gen Intel Core	Intel QM77	16 GB DDR3 — 1600 MHz (2 slots)	Intel HD Graphics 4000	One 2.5" SATA 7mm Drive	Gigabit Ethernet Wi-Fi Half Mini PCIe Card Optional BT 4.0 Module Optional WWAN Mini PCIe Card (exclusive)	1366×768	M(4/6/9) 28.8Wh / 62.4Wh / 93.6Wh S
X230i				3rd Gen Intel Core i3
X230 Tablet	May 2012	305 × 228.7 × 27–31.3 12.01 × 9.00 × 1.06–1.23	1.66 kg (3.7 lb)	3rd Gen Intel Core		16 GB DDR3 — 1600 MHz (2 slots)	Intel HD Graphics 4000	One 2.5" SATA 7mm Drive	Gigabit Ethernet Wi-Fi Half Mini PCIe Card Optional BT 4.0 Module Optional WWAN Mini PCIe Card (exclusive)	1366×768	M(3/6) 30Wh / 66Wh S(6/6+) 64Wh / ? Wh
X230i Tablet				3rd Gen Intel Core i3

2013

The ThinkPad X Series laptops released in 2013 by Lenovo were the X131e Chromebook, X240 and ThinkPad Helix (Convertible tablet).

X131e Chromebook

The Chromebook version of the X131e was released in early 2013. It also has less powerful internals due to it running ChromeOS.

X240 and X240s

The ThinkPad X240 replaced the earlier X230 and X230s. Compared to the X230, the X240 changed from the higher-power Intel Core CPUs labelled as "mobile class", to the lower-power CPUs labelled "ultrabook class". Depending on the CPU model, the change resulted in a 10%–20% reduction in CPU performance compared to the older, but higher power Ivy Bridge generation CPUs. This was the first X-series laptop to forgo the classic TrackPoint buttons in favor of a touchpad that can also be pushed. The X240 reduced the maximum physical memory to 8 GiB, with only one memory slot, making dual-channel unavailable (compared to 16 GiB dual-channel in two memory slots on the X230), lost the dedicated insert key and volume control keys. The X240 uses the rectangular "slim tip" power plug. X240 has two double batteries. And also the touchpads on the X240 range were emphasized on YouTube channels like Laptop Retrospective as feeling like paper and that's why the X250 touchpads were commonly fitted on X240 models for improved clicking and satisfaction of a good touchpad.

The X240s is a slimmed down and lighter, Asian-market-only version of the X240 with the docking port missing and Power Bridge hot-swappable battery replaced with two internal batteries rated at 23.5 Wh each, which by extension removes the option to install larger 6-cell batteries in place of the default 3-cell.

Helix

The ThinkPad Helix was released as an option for corporate IT buyers who were looking for the power of a high-end Ultrabook and the mobility of a tablet. The ThinkPad Helix featured a tablet powered by Ivy Bridge components, a docking keyboard, and a Wacom digitizer stylus.

Model	Release (US)	Dimensions (mm / in)	Weight	CPU	Chipset	Memory	Graphics	Storage	Networking	Screen	Battery	Other
11.6"
X131e (Intel)	Feb 2013	293.4 × 216 × 32.3 11.55 × 8.50 × 1.27	1.78 kg (3.9 lb)	Intel Celeron or 3rd Gen Core i3 i3-2367M i3-3227U	Intel HM77	16(M)/32(U) GB DDR3L — 1333(M)/1600(U) MHz (2 slots)	Intel HD Graphics 3000 or 4000	One 2.5" SATA 7mm Drive	Gigabit Ethernet Wi-Fi + BT Half Mini PCIe Card Optional WWAN	Anti-glare: 1366×768 TN 200 nits	M(6) 62.4Wh
X131e (AMD)				AMD E1-1200 E2-1800	AMD A68M FCH	32 GB DDR3L — 1600 MHz (2 slots)	AMD Radeon HD 7310 or 7340
12.5"
X240	Oct 2013	305.5 × 208.5 × 19.9 12.03 × 8.21 × 0.78	1.31 kg (2.9 lb)	4th Gen Intel Core		16 GB DDR3L — 1600 MHz (1 slot)	Intel HD Graphics 4400	One 2.5" SATA One M.2 SATA (conflicting)	Gigabit Ethernet Wi-Fi + BT M.2 Card Optional WWAN M.2	Anti-glare: 1366×768 TN 200 nits 1366×768 IPS 300 nits 1920×1080 IPS 400 nits 1920×1080 IPS Touch	M(3/6/6) 23/48/72Wh m(3) 23Wh
X240s	Aug 2013	305.5 × 208.5 × 17.7 12.03 × 8.21 × 0.70		4th Gen Intel Core				One M.2 SATA	No Onboard Ethernet Wi-Fi + BT M.2 Card		m(3) 23.5Wh m(3) 23.5Wh

2014

X140e

The X140e is the last ThinkPad with a classic round power plug.

Model	Release (US)	Dimensions (mm / in)	Weight	CPU	Chipset	Memory	Graphics	Storage	Networking	Screen	Battery	Other
11.6"
X140e	Dec 2014	293.4 × 216 × 35 11.55 × 8.50 × 1.38	1.78 kg (3.9 lb)	AMD E1-2500 A4-5000		32 GB DDR3L — 1600 MHz (2 slots)	AMD Radeon HD 8240 or 8330	One 2.5" SATA 7mm Drive	Gigabit Ethernet Wi-Fi + BT	Anti-glare: 1366×768 TN 200 nits	M(6) 62.4Wh

2015

X250

The ThinkPad X Series laptops released in 2015 by Lenovo were the third-generation X1 Carbon and X250 during the CES congress. The ThinkPad X250 has a Broadwell processor. The X250 saw a return of separate TrackPoint buttons; it has only one RAM slot. A touch screen was available for this model. The X250 uses the rectangular power plug.

This section needs expansion. You can help by adding to it. (July 2020)

2016

X260

The ThinkPad X260 laptop was released in 2016 by Lenovo during the CES congress and replaced the earlier ThinkPad X250. The ThinkPad X260 adopts the Skylake processors, adds an additional USB 3.0 port, but USB-C is missing. and replaces the VGA port with an HDMI port in addition to the existing Mini DisplayPort port. Lenovo claims the X260 can achieve battery life of 21.5 hours from a full charge.

This section needs expansion. You can help by adding to it. (July 2020)

2017

X270

The 12.5 in (32 cm) ThinkPad X270 was announced in December 2016 with TN and IPS displays available in HD and FHD as well as a FHD touch screen option. Lenovo claims the X270 can achieve more than 20 hours of battery life from a full charge. It includes one USB-C port supporting USB 3.1 Gen 1 speed (5 Gbit/s) and PD (charging via USB-C), HDMI, two USB Type-A 3.0 ports, one of which is "always on", allowing users to charge items plugged in while the laptop is off or asleep.

A275

The A275 is a version of the X270 with an AMD processor and some other differences.

This section needs expansion. You can help by adding to it. (July 2020)

2018

X280

Lenovo ThinkPad X280 is the first in the X line to feature charging and docking to USB-C Thunderbolt.

Unlike previous models in the series, this has soldered RAM, a non-removable battery, and no built-in RJ45 Ethernet port (although one is available via an extension cable). Some users have contended that this eliminates several of the central appeals of the X2* series, and that it effectively represents a replication of Lenovo's existing lines rather than a true continuation of the series.

A285

The A285 is a version of the X280 with an AMD processor. While the ports selection and connectivity look identical, A285 lacks X280's Thunderbolt 3 support.

X380 Yoga

This section needs expansion. You can help by adding to it. (July 2020)

Model	Release (US)	Dimensions (mm / in)	Weight	CPU	Chipset	Memory	Graphics	Storage	Networking	Screen	Battery	Other
12.5"
X280	2018	307.7 × 209.8 × 17.4–17.8 12.11 × 8.26 × 0.69–0.70	1.13 kg (2.5 lb)	7th or 8th Gen Intel Core		4/8/16 GB DDR4 — 2133 or 2400 (8th Gen) MHz (soldered)	Intel HD Graphics 620 (7th Gen) or Intel UHD Graphics 620 (8th Gen)	One M.2 x4	Mini Gigabit Ethernet Wi-Fi + BT M.2 Card Optional WWAN M.2 Card (?)	Anti-glare: 1366×768 TN 1920×1080 IPS 1920×1080 IPS Touch (on-cell)	m 48Wh	ThinkShutter One TB3 x2 Soldered charging port
A285	2018		1.13 kg (2.5 lb)	1st Gen AMD Ryzen Mobile		8/16 GB DDR4 — 2400 MHz (soldered)	AMD Radeon Vega 6, 8 or 10	One M.2 x4	Mini Gigabit Ethernet Wi-Fi + BT M.2 Card Optional WWAN M.2 Card (?)	Anti-glare: 1366×768 TN 1920×1080 IPS 1920×1080 IPS Touch (on-cell)		ThinkShutter
13.3"
X380 Yoga	2018	313.5 × 222.2 × 18.2 12.34 × 8.75 × 0.72	1.43 kg (3.2 lb)	7th or 8th Gen Intel Core		8/16 GB DDR4 — 2400 MHz (soldered)	Intel HD Graphics 620 (7th Gen) or Intel UHD Graphics 620 (8th Gen)	One M.2 x4	Mini Gigabit Ethernet Wi-Fi + BT M.2 Card Optional WWAN M.2 Card (?)	Anti-glare, anti-smudge: 1920×1080 IPS Touch	m 51Wh	One TB3 x2

2019

X390

Update of X280 with a same case but with a 13 in (33 cm) screen.

X395

Same as the X390, but it has an AMD processor.

X390 Yoga

This section needs expansion. You can help by adding to it. (July 2020)

2020

This section needs expansion. You can help by adding to it. (August 2020)

X13 Gen 1 (Intel)

X13 Gen 1 (AMD)

X13 Yoga Gen 1

• X13 Yoga (1st Gen)

2021

This section needs expansion. You can help by adding to it. (May 2023)

The X13 gen 2 replaced the X13 predecessor with a magnesium/carbon case. The predecessor has a sturdy plastic case.

X12 Detachable

The Thinkpad X12 Detachable is a successor to the Thinkpad X1 Tablet. It has a 12.3 inch 3:2 FHD+ screen with a resolution of 1920x1280 pixels, 1,876 ppi.

The X12 model followed the same format as the Microsoft Surface Pro line of detachable 2-in-1 laptops.

X13 Gen 2 (Intel)

X13 Gen 2 (AMD)

X13 Yoga Gen 2

2022

This section needs expansion. You can help by adding to it. (May 2023)

X13 Gen 3 (Intel)

X13 Gen 3 (AMD)

X13 Yoga Gen 3

2023

This section needs expansion. You can help by adding to it. (May 2023)

X13 Gen 4 (Intel)

X13 Gen 4 (AMD)

X13 Yoga Gen 4

See also

• ThinkPad Yoga series

Notes

1. Optional 512 MB only with 1.2 GHz Banias CPU or with 1.4/1.5/1.6 GHz Dothan CPU
2. ^ from many unspecified manufacturers (Samsung, BoeHydis, ChiMei, and lightweight X60s screen by Toshiba/Matsushita), and therefore different qualities; but unofficial replaceable by a X61 tablet 1400 × 1050 AFFS screen
3. ^ any SATA HDD or SSD will work, and via a BIOS mod it supports SATA 3 Gbit/s
4. ^ unofficially replaceable by 1440 × 900 (16∶10) CCFL-backlit IPS LCD
5. U9600 overclockable with simple hardware modification up to 2.13 GHz.

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