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The Pentium 4 was a seventh-generation CPU from Intel targeted at the consumer and enterprise markets. It is based on the NetBurst microarchitecture.

Desktop processors

Pentium 4

Willamette (180 nm)

• Intel Family 15 Model 1
• All models support: MMX, SSE, SSE2
• Transistors: 42 million
• Die size: 217 mm
• Steppings: B2, C1, D0, E0

Northwood (130 nm)

• Intel Family 15 Model 2
• All models support: MMX, SSE, SSE2
• Model SL68R has box version only, supplied with unattached fan heatsink.
• Transistors: 55 million
• Die size: 146 mm (B0 pre-shrink) and 131 mm (B0 Shrink, C1, D1)
• Steppings: B0, C1, D1, M0

Prescott (90 nm)

• Intel Family 15 Model 3 (C0, D0), Intel Family 15 Model 4 (E0, G1)
• All models support: MMX, SSE, SSE2, SSE3
• Intel 64: supported by 5x6, 511 and 519K
• XD bit (an NX bit implementation): supported by 5x5J, 5x6, 511, 519J and 519K
• Transistors: 125 million
• Die size: 112 mm
• Steppings: C0, D0, E0, G1

Pentium 4 HT

Northwood (130 nm)

• All models support: MMX, SSE, SSE2, Hyper-threading
• Transistors: 55 million
• Die size: 131 mm
• C1, D1, M0

Prescott (90 nm)

• All models support: MMX, SSE, SSE2, SSE3, Hyper-threading
• Intel 64: supported by F-series, 5x1, 517, 524 and few OEM models in E-series (SL7QB, SL7Q8)
• XD bit (an NX bit implementation): supported by 5x0J, 5x1, 517, 524
• Intel Family 15 Model 3
• Model SL7E4 has an unattached fan heatsink.
• Some Socket 478 models supports loadline B (FMB1.0) with reduced TDP to 89 Watts (100.39 Watts peak)
• Some LGA775 models supports Prescott FMB1 (775_VR_CONFIG_04A) with reduced TDP to 85 Watts (100.78 Watts peak)
• Transistors: 125 million
• Die size: 112 mm
• Steppings: C0, D0, E0, G1

Model number	sSpec number	Frequency	L2 cache	FSB speed	Multiplier	Voltage range	TDP	Socket	Release date	Part number(s)	Release price (USD)
Pentium 4 HT 2.8E	SL79K (C0) SL7KA (C0) SL7E3 (D0) SL7PL (E0) SL88H (E0)	2.80 GHz	1024 KB	800 MT/s	14×	1.287-1.4 V	89 W	Socket 478	February 2, 2004	RK80546PG0721M BX80546PG2800E	$178
Pentium 4 HT 3.0E	SL8JZ (G1) SL7L4 (D0) SL7E4 (D0) SL88J (E0) SL79L (C0) SL7KB (D0) SL7PM (E0)	3.00 GHz			15×	1.2-1.425 V	89 W			NE80546PG0801M RK80546PG0801M	$218
Pentium 4 HT 3.2E	SL79M (C0) SL7B8 (C0) SL7E5 (D0) SL7L7 (D0) SL7PN (E0) SL7QB (E0) SL7KC (C0) SL88K (E0) SL8K2 (G1)	3.20 GHz			16×	1.25-1.4 V	103 W			BX80546PG3200E RK80546PG0881M	$278
Pentium 4 HT 3.2F	SL7LA (D0)					1.2-1.425 V		LGA 775	August 2004	JM80547PG0881M	$278
Pentium 4 HT 3.4E	SL7B9 (C0) SL7AJ (C0) SL7E6 (D0) SL7Q8 (E0) SL7KD (E0) SL7PP (E0) SL88L (E0)	3.40 GHz			17×	1.2-1.425 V		Socket 478	February 2, 2004	RK80546PG0961M NE80546PG0961M BX80546PG3400E	$417
Pentium 4 HT 3.4F	SL7L8 (D0)					1.2-1.425 V	115 W	LGA 775	August 1, 2004	JM80547PG0961M	$417
Pentium 4 HT 3.6F	SL7L9 (D0)	3.60 GHz			18×	1.2-1.425 V			August 4, 2004	JM80547PG1041M	$637
Pentium 4 HT 3.8F	SL7P2 (E0)	3.80 GHz			19×	1.2-1.425 V			November 2004	JM80547PG1121M	$637
Pentium 4 HT 517	SL8ZY (G1) SL9CD (G1)	2.93 GHz		533 MT/s	22×	1.25-1.4 V	84 W		September 2005	HH80547PE0771MM
Pentium 4 HT 520	SL7J5 (D0) SL7KJ (D0)	2.80 GHz		800 MT/s	14×	1.2-1.425 V			June 21, 2004	JM80547PG0721M	$178
Pentium 4 HT 520J	SL7PR (E0) SL7PT (E0) SL82V (E0)					1.25-1.4 V			October 2004	JM80547PG0721M
Pentium 4 HT 521	SL8HX (E0) SL8PP (G1) SL9CG (G1)					1.2-1.425 V			June 12, 2005	JM80547PG0721MM HH80547PG0721MM	$163
Pentium 4 HT 524	SL8ZZ (G1) SL9CA (G1)	3.06 GHz		533 MT/s	23×	1.2-1.425 V			September 2005	HH80547PE0831MM
Pentium 4 HT 530	SL7J6 (D0) SL7KK (D0) SL82X (D0) SL8BM (D0)	3.00 GHz		800 MT/s	15×	1.2-1.425 V			June 21, 2004	JM80547PG0801M	$218
Pentium 4 HT 530J	SL7PU (E0) SL82Y (E0)					1.2-1.425 V			October 2004	JM80547PG0801M
Pentium 4 HT 531	SL8HZ (E0) SL8PQ (G1) SL9CB (G1)					1.2-1.425 V			June 12, 2005	JM80547PG0801M HH80547PG0801M	$178
Pentium 4 HT 540	SL7J7 (D0) SL7KL (D0)	3.20 GHz			16×	1.2-1.425 V			June 21, 2004	JM80547PG0881M	$278
Pentium 4 HT 540J	SL7PW (E0) SL82Z (E0)					1.25-1.425 V			October 2004	JM80547PG0881M
Pentium 4 HT 541	SL9C6 (G1) SL8PR (G1) SL8J2 (E0) SL7PX (E0)					1.2-1.425 V			June 12, 2005	JM80547PG0881MM HH80547PG0881MM	$218
Pentium 4 HT 550	SL7J8 (D0) SL7KM (D0)	3.40 GHz			17×	1.2-1.425 V	115 W		June 21, 2004	JM80547PG0961M	$417
	SL7PP (E0) SL88L (E0) SL7KD (E0)					1.287-1.4 V	89 W, 103 W	Socket 478	Q2 2004	BX80546PG0961M RK80546PG0961M
	SL8K4 (G1)					1.2-1.425 V			January 27, 2006	RK80546PG0961M NE80546PG0961M BX80546PG3400E
Pentium 4 HT 550J	SL7PY (E0) SL833 (E0)					1.25-1.4 V	115 W	LGA 775	October 2004	JM80547PG0961M	$417
Pentium 4 HT 551	SL8PS (E0) SL7PZ (E0) SL9C5 (E0) SL8J5 (D0)					1.2-1.425 V			June 12, 2005	JM80547PG0961MM HH80547PG0961MM	$278
Pentium 4 HT 560	SL7J9 (D0) SL7KN (D0)	3.60 GHz			18×	1.2-1.425 V			June 21, 2004	JM80547PG1041M	$637
Pentium 4 HT 560J	SL84X (E0) SL7Q2 (E0)					1.25-1.4 V			October 2004	JM80547PG1041M
Pentium 4 HT 561	SL8J6 (E0) SL7NZ (E0)					1.2-1.425 V			June 12, 2005	JM80547PG1041MM	$417
Pentium 4 HT 570J	SL84Y (E0) SL82U (E0)	3.80 GHz			19×	1.2-1.425 V			November 12, 2004	JM80547PG1121M
Pentium 4 HT 571	SL8J7 (E0)					1.2-1.425 V			June 12, 2005	JM80547PG1121MM JM80547PG1121M	$637
Pentium 4 HT 580	?	4.00 GHz			20×	?	?		Cancelled	?

Prescott 2M (90 nm)

• Intel Family 15 Model 4
• All models support: MMX, SSE, SSE2, SSE3, Hyper-threading, Intel 64, XD bit (an NX bit implementation)
• Intel VT-x supported by: 6x2 e.g. Model 662 and 672
• Enhanced Intel SpeedStep Technology (EIST) supported by: all except 620.
• Transistors: 169 million
• Die size: 135 mm
• Steppings: N0, R0

Model number	sSpec number	Frequency	L2 cache	FSB speed	Multiplier	Voltage range	TDP	Socket	Release date	Part number(s)	Release price (USD)
Pentium 4 HT 620	SL8AB (N0)	2.8 GHz	2 MB	800 MT/s	14×	1.2–1.4 V	84 W	LGA 775	February 20, 2005	JM80547PG0722MM JM80547PH1072MM
Pentium 4 HT 630	SL7Z9 (N0)	3.0 GHz			15×					JM80547PG0802M	$224
	SL8Q7 (R0)									HH80547PG0802MM
Pentium 4 HT 640	SL7Z8 (N0)	3.2 GHz			16×					JM80547PG0882M	$273
	SL8Q6 (R0)									HH80547PG0882MM
Pentium 4 HT 650	SL7Z7 (N0)	3.4 GHz			17×					JM80547PG0962M	$401
	SL8Q5 (R0)									HH80547PG0962MM
Pentium 4 HT 660	SL7Z5 (N0)	3.6 GHz			18×		115 W			JM80547PG1042M	$605
	SL8PZ (R0)									HH80547PG1042MM
Pentium 4 HT 662	SL8QB (R0) SL8UP (R0)				18×				November 14, 2005	HH80547PG1042MH	$401
Pentium 4 HT 670	SL7Z3 (N0)	3.8 GHz			19×				May 26, 2005	JM80547PG1122M	$851
	SL8PY (R0)									HH80547PG1122MM
Pentium 4 HT 672	SL8Q9 (R0)				19×				November 14, 2005	HH80547PG1122MH	$605
Pentium 4 HT 4.00		4.0 GHz		1066 MT/s	15×				Cancelled

Cedar Mill (65 nm)

• Intel Family 15 Model 6
• All models support: MMX, SSE, SSE2, SSE3, Hyper-threading, Intel 64, XD bit (an NX bit implementation)
• Transistors: 188 million
• Die size: 81 mm
• Steppings: B1, C1, D0
• Enhanced Intel SpeedStep Technology (EIST) supported by: C1, D0 steppings

Pentium 4 Extreme Edition

Gallatin (130 nm)

• All models support: MMX, SSE, SSE2, Hyper-threading
• All models equipped with integrated L3 cache
• Transistors: 169 million
• Die size: 237 mm
• Steppings: M0

Prescott 2M (90 nm)

• All models support: MMX, SSE, SSE2, SSE3, Hyper-threading, EIST, Intel 64, XD bit (an NX bit implementation)
• Transistors: 169 million
• Die size: 135 mm
• Steppings: N0

Mobile processors

Pentium 4-M

Northwood (130 nm)

• All models support: MMX, SSE, SSE2, IST
• Die Size: 131 mm (initially 146 mm)
• Package Size: 35 mm × 35 mm
• Steppings: B0, B0 Shrink, C1, D1

Mobile Pentium 4

Northwood (130 nm)

• All models support: MMX, SSE, SSE2, IST

Mobile Pentium 4 HT

Northwood (130 nm)

• All models support: MMX, SSE, SSE2, IST, Hyper-threading

Prescott (90 nm)

• All models support: MMX, SSE, SSE2, SSE3, IST, Thermal Monitor 2, Hyper-threading
• Steppings: D0, E0

See also

• List of Intel Pentium processors
• List of Intel Pentium D processors
• List of Intel Celeron processors (NetBurst-based)
• List of Intel Xeon processors (NetBurst-based)

References

1. ^ Actually the shrink was to 132 mm (11.34 × 11.62 ≈ 131.77)
2. Both 169 and 178 million are claimed.

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4. "Intel Introduces Pentium 4 Processor at 1.7 GHz". Intel. Retrieved 27 August 2022.
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6. Intel Product Change Notification # 102322
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8. Intel Product Change Notification # 102386
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10. "Intel Introduces 2.4 GHZ Pentium 4 Processor". Intel. Retrieved 15 August 2022.
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• Intel x86 microprocessors
• Lists of microprocessors