List of Intel Pentium 4 microprocessors

The Pentium 4 is the seventh x86 processor generation from Intel , which was mainly intended for the consumer market. In contrast to the older Intel Pentium III , which is equipped with the P6 architecture , the Pentium 4 is based on the Intel NetBurst micro-architecture .

Desktop processors

Pentium 4

Willamette (180 nm)

• All models support MMX , SSE , SSE2
• Transistors : 42 million
• The size: 217 mm²
• Steppings : B2, C1, D0

Model number	sSpec	Clock frequency	L2 cache	FSB	multiplier	Vcore	TDP	base	Publication date
Pentium 4 1.3	SL4SF (B2) SL4QD (B2) SL5GC (C1) SL5FW (C1)	1.3 GHz	256 KB	400 MHz	13 ×	1.70 / 1.75V	51.6 W	Socket 423	January 3, 2001
Pentium 4 1.4	SL4SG SL4SC SL4X2 SL4WS	1.4 GHz			14 ×	1.70 / 1.75V	54.7 W	Socket 423	November 20, 2000
Pentium 4 1.4	SL5N7 SL59U SL5UE SL5TG	1.4 GHz			14 ×	1.75V	55.3 W	Socket 478	August 27, 2001
Pentium 4 1.5	SL4WT SL4TY SL4SH SL5TN SL5SX SL4X3	1.5 GHz			15 ×	1.70 / 1.75V	57.8 W	Socket 423	November 20, 2000
Pentium 4 1.5	SL5TJ SL5N8 SL59V SL6BA SL62Y SL5UF	1.5 GHz			15 ×	1.75V	57.9 W	Socket 478	August 27, 2001
Pentium 4 1.6	SL4X4 SL4WU SL5VL SL5UL	1.6 GHz			16 ×	1.75V	61 W	Socket 423	July 2, 2001
Pentium 4 1.6	SL5UW SL5US SL5UJ SL6BC SL679 SL5VH	1.6 GHz			16 ×	1.75V	60.8 W	Socket 478	August 27, 2001
Pentium 4 1.7	SL57W SL57V SL5TP SL5SY	1.7 GHz			17 ×	1.75V	64 W	Socket 423	April 23, 2003
Pentium 4 1.7	SL5TK SL5N9 SL59X SL5UG SL6BD SL67A SL62Z	1.7 GHz			17 ×	1.75V	63.5 W	Socket 478	August 27, 2001
Pentium 4 1.8	SL4X5 SL4WV SL5VM SL5UM	1.8 GHz			18 ×	1.75V	66.7 W	Socket 423	July 2, 2001
Pentium 4 1.8	SL5UV SL5UT SL5UK SL6BE SL67B SL5VJ	1.8 GHz			18 ×	1.75V	66.1 W	Socket 478	August 27, 2001
Pentium 4 1.9	SL5VN SL5WH	1.9 GHz			19 ×	1.75V	69.2 W	Socket 423	August 27, 2001
Pentium 4 1.9	SL5WG SL5VK SL6BF SL67C	1.9 GHz			19 ×	1.75V	72.8 W	Socket 478	August 27, 2001
Pentium 4 2.0	SL5SZ SL5TQ	2 GHz			20 ×	1.75V	71.8 W	Socket 423	August 27, 2001
Pentium 4 2.0	SL5TL SL5UH	2 GHz			20 ×	1.75V	75.3 W	Socket 478	August 27, 2001

Northwood (130 nm)

• All models support MMX , SSE , SSE2
• Hyper-Threading is only supported on the 3.06 GHz model
• Transistors : 55 million
• The size: 146 mm² (B0) and 131 mm² (C1, D1)
• Steppings : B0, C1, D1

Model number	sSpec	Stepping	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Pentium 4 1.6A	SL62S	B0	1.6 GHz	512 KB	400 MHz	16 ×	1.475V	38 W.	Socket 478	January 2002
Pentium 4 1.6A	SL668	B0					1.5V	46.8 W		January 2002
Pentium 4 1.8A	SL68Q SL63X SL62P	B0	1.8 GHz			18 ×	1.475 / 1.5 / 1.525 V.	49.6 W		January 2002
Pentium 4 1.8A	SL6LA	C1					1.525V	66.1 W
Pentium 4 2.0	SL6GQ SL6S7	C1	2 GHz			20 ×	1.525V	54.3 W
Pentium 4 2.0A	SL5YR SL66R SL68R	B0					1.5V	52.4 W		January 7, 2002
Pentium 4 2.2	SL66S	B0	2.2 GHz			22 ×	1.5V	55.1 W		January 7, 2002
Pentium 4 2.26	SL6D6	B0	2.26 GHz		533 MHz	17 ×	1.5V	56 W
Pentium 4 2.26	SL6RY	C1					1.53V	58 W
Pentium 4 2.26	SL6PB	D1					1.525V	58 W
Pentium 4 2.4	SL65R SL66T SL6PM SL6GS SL6S9	B0 B0 C1 C1	2.4 GHz		400 MHz	24 ×	1.525V	57.8 W 59.8 W 59.8 W 59.8 W 59.8 W.		April 2, 2002
Pentium 4 2.4B	SL6PC SL6RZ	D1 C1	2.4 GHz		533 MHz	18 ×	1.525 / 1.53V	59.8 W		May 6, 2002
Pentium 4 2.4	SL6EF SL6SH	C1					1.525V	59.8 W
Pentium 4 2.5	SL6PN	D1	2.5 GHz		400 MHz	25 ×	1.53V	61 W		August 25, 2002
Pentium 4 2.53	SL6D8 SL6DW	B0	2.53 GHz		533 MHz	19 ×	1.53V	61.5 W		May 6, 2002
Pentium 4 2.6	SL6SB SL6PP	C1 D1	2.6 GHz		400 MHz	26 ×	1.475 / 1.53V	62.6 W		August 25, 2002
Pentium 4 2.66	SL6PE SL6QA	D1 D1	2.66 GHz		533 MHz	20 ×	1.475 / 1.525 V.	66.1 W		August 25, 2002
Pentium 4 2.8	SL7EY	D1	2.8 GHz		400 MHz	28 ×	1.475 / 1.525 V.	68.4 W		November 2002
Pentium 4 2.8	SL6HL SL6K6 SL6PF SL6QB SL6S4	C1 C1 D1 D1 C1	2.8 GHz		533 MHz	21 ×	1.525-1.53V	68.4 W		August 25, 2002
Pentium 4 3.0	SL6YH SL74Q	C1	3.0 GHz		400 MHz	30 ×	1.55V	~ 80 W
Pentium 4 3.06	SL6K7 SL6JJ SL6PG SL6QC SL6S5 SL6SM	C1 C1 D1 D1 C1 C1	3.06 GHz		533 MHz	23 ×	1.525-1.55V	81.8 W

Prescott (90 nm)

• All models support MMX , SSE , SSE2 , SSE3
• Intel 64 : supported by 5x6, 511 and 519K
• XD-Bit : supported by 5x5J, 519J and all Intel 64 compatible models
• Transistors : 125 million
• The size: 112 mm²
• Steppings : C0, D0, E0, G1

Model number	sSpec	Stepping	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Pentium 4 2.40A	SL7E8	C0	2.40 GHz	1024 KB	533 MHz	18 ×	1.25 / 1.4V	89 W	Socket 478	March 2004
Pentium 4 2.66A	SL8B3	E0	2.66 GHz			20 ×	1.25 / 1.4V
Pentium 4 2.80	SL8JX SL88G	G1 E0	2.80 GHz			21 ×	1.25 / 1.4V			February 1, 2004
Pentium 4 2.80A	SL7D8 SL7E2 SL7PK	C0 D0 E0	2.80 GHz			21 ×	1.25 / 1.4V			February 1, 2004
Pentium 4 505	SL7YU	D0	2.66 GHz			20 ×	1.25 / 1.388 V	84 W	LGA775	December 2004
Pentium 4 505J	SL85U	E0	2.66 GHz			20 ×	1.25 / 1.388 V			December 2004
Pentium 4 506	SL8J8	E0	2.66 GHz			20 ×	1.25 / 1.4V			June 2005
Pentium 4 511	SL9CJ SL8U5	G1 E0	2.80 GHz			21 ×	1.25 / 1.4V			2005
Pentium 4 515	SL7YV	D0	2.93 GHz			22 ×	1.25 / 1.388 V			December 2004
Pentium 4 515J	SL85V	E0	2.93 GHz			22 ×	1.25 / 1.388 V			December 2004
Pentium 4 516	SL8J9	E0	2.93 GHz			22 ×	1.25 / 1.4V			September 2005
Pentium 4 519J	SL87L	E0	3.06 GHz			23 ×	1.25 / 1.388 V			December 2004
Pentium 4 519K	SL8JA SL8PN	E0 G1	3.06 GHz			23 ×	1.25 / 1.4V			2005

Pentium 4 HT

Northwood (130 nm)

• All models support MMX , SSE , SSE2 , Hyper-Threading
• Transistors : 55 million
• The size: 131 mm²
• Steppings: D1, M0

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Pentium 4 HT 2.4C	SL6WF (D1) SL6Z3 (M0)	2.4 GHz	512 KB	800 MHz	12 ×	1.25-1.40V	66.2 W	Socket 478	May 21, 2003
Pentium 4 HT 2.6C	SL6WH (D1) SL6WS (D1) SL6Z4 (M0)	2.6 GHz			13 ×		69 W		May 21, 2003
Pentium 4 HT 2.8C	SL6WJ (D1) SL6WT (D1) SL78Y (D1) SL6Z5 (M0)	2.8 GHz			14 ×		69.7 W		May 21, 2003
Pentium 4 HT 3.0	SL6WK (D1) SL78Z (D1)	3 GHz			15 ×		81.9 W		April 14, 2003
Pentium 4 HT 3.2	SL792 (D1) SL6WG (D1)	3.2 GHz			16 ×		82 W		June 23, 2003
Pentium 4 HT 3.4	SL793 (D1)	3.4 GHz			17 ×		89 W		February 2, 2004

Prescott (90 nm)

• All models support MMX , SSE , SSE2 , SSE3 , Hyper-Threading
• Intel 64 : supported by the F-Series, the 5x1, 517 and the 524
• XD-Bit : supported by 5x0J, 5x1, 517 and 524
• Transistors : 125 million
• The size: 112 mm²

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Pentium 4 HT 2.8E	SL79K, SL7PL, SL88H, SL7E3, SL7KA	2.80 GHz	1024 KB	800 MHz	14 ×	1.25 / 1.525 V 1.25 / 1.4 V	89 W	Socket 478	February 1, 2004
Pentium 4 HT 3.0E	SL8JZ, SL7L4, SL7E4, SL88J, SL79L, SL7KB, SL7PM	3.00 GHz			15 ×	1.25 / 1.4 /			February 1, 2004
Pentium 4 HT 3.2E	SL7E5, SL7PN, SL7KC	3.20 GHz			16 ×	1.25 / 1.4V			April 2004
Pentium 4 HT 3.2F	SL7LA				16 ×	1.25 / 1.4V		LGA775	August 2004
Pentium 4 HT 3.4	SL7E6	3.40 GHz		800 MHz	17 ×	1.25 / 1.4V	115 W	Socket 478	February 2004
Pentium 4 HT 3.4F	SL7L8				17 ×			LGA775	August 2004
Pentium 4 HT 3.6F	SL7L9	3.60 GHz			18 ×				August 4, 2004
Pentium 4 HT 3.8F	SL7P2	3.80 GHz			19 ×				November 2004
Pentium 4 HT 517	SL8ZY, SL9CD	2.93 GHz		533 MHz	22 ×	1.25 / 1.4V	84 W	LGA775	September 2005
Pentium 4 HT 520	SL7J4, SL7J5, SL7KJ	2.80 GHz		800 MHz	14 ×	1.25 / 1.4V			June 2004
Pentium 4 HT 520J	SL7PR				14 ×				October 2004
Pentium 4 HT 521	SL8HX, SL8PP, SL9CG				14 ×				June 12, 2005
Pentium 4 HT 524	SL8ZZ, SL9CA	3.06 GHz		533 MHz	23 ×	1.25 / 1.4V			September 2005
Pentium 4 HT 530	SL7J6, SL7KK	3.00 GHz		800 MHz	15 ×	1.25 / 1.4V			June 2004
Pentium 4 HT 530J	SL7PU, SL82X				15 ×				October 2004
Pentium 4 HT 531	SL8HZ, SL8PQ, SL9CB				15 ×				June 12, 2005
Pentium 4 HT 540	SL7PX, SL7J7, SL7KL	3.20 GHz			16 ×				June 21, 2004
Pentium 4 HT 540J	SL7PW, SL82Z				16 ×				October 2004
Pentium 4 HT 541	SL9C6, SL8PR, SL8J2				16 ×				June 12, 2005
Pentium 4 HT 550	SL7J8, SL7KM	3.40 GHz		800 MHz	17 ×	1.25 / 1.4V	115 W	LGA775	June 21, 2004
Pentium 4 HT 550	SL7PP				17 ×	1.287 / 1.4V		Socket 478	2nd quarter 2004
Pentium 4 HT 550J	SL7PY, SL833				17 ×	1.25 / 1.4V		LGA775	October 2004
Pentium 4 HT 551	SL8PS, SL7PZ, SL9C5, SL8J5				17 ×				June 12, 2005
Pentium 4 HT 550 (G1)	SL8K4				17 ×	1.2 / 1.425V		Socket 478	January 27, 2006
Pentium 4 HT 560	SL7L9, SL7NZ, SL7J9, SL7KN	3.60 GHz			18 ×	1.25 / 1.4V		LGA775	June 21, 2004
Pentium 4 HT 560J	SL84X, SL7Q2				18 ×				October 2004
Pentium 4 HT 561	SL8J6				18 ×				June 12, 2005
Pentium 4 HT 570J	SL84Y, SL82U	3.80 GHz			19 ×				November 12, 2004
Pentium 4 HT 571	SL8J7				19 ×				June 12, 2005

Prescott 2M (90 nm)

• All models support MMX , SSE , SSE2 , SSE3 , Hyper-Threading , Intel 64 , XD-Bit
• Intel VT is used by all 6x2 such as B. the models 662 and 672 supported
• Enhanced Intel SpeedStep Technology (EIST) supported by all but 620
• Transistors : 169 million
• The size: 135 mm²
• Steppings : N0, R0

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Pentium 4 HT 620	SL8AB (N0)	2.8 GHz	2 MB	800 MHz	14 ×	1.2-1.4V	84 W	LGA775	February 20, 2005
Pentium 4 HT 630	SL7Z9 (N0) SL8Q7 (R0)	3 GHz			15 ×	1.2-1.4V			February 20, 2005
Pentium 4 HT 640	SL7Z8 (N0) SL8Q6 (R0)	3.2 GHz			16 ×	1.2-1.4V			February 20, 2005
Pentium 4 HT 650	SL7Z7 (N0) SL8Q5 (R0)	3.4 GHz			17 ×	1.2-1.4V			February 20, 2005
Pentium 4 HT 660	SL7Z5 (N0) SL8PZ (R0)	3.6 GHz			18 ×	1.2-1.4V	115 W		February 20, 2005
Pentium 4 HT 662	SL8QB SL8UP (R0)								November 14, 2005
Pentium 4 HT 670	SL7Z3 (N0) SL8PY (R0)	3.8 GHz			19 ×	1.2-1.4V			May 26, 2005
Pentium 4 HT 672	SL8Q9 (R0)								November 14, 2005

Cedar Mill (65 nm)

• All models support MMX , SSE , SSE2 , SSE3 , Hyper-Threading , Intel 64 , XD-Bit
• Transistors : 188 million
• The size: 81 mm²
• Steppings: B1, C1, D0
• Enhanced Intel SpeedStep Technology (EIST) is supported by stepping C0 and B1

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Pentium 4 HT 631	SL8WJ, SL94Y (B1)	3 GHz	2 MB	800 MHz	15 ×	1.25-1.325V	86 W	LGA775	January 5, 2006
	SL96L (C1)					1.2-1.3375 V			April 12, 2006
	SL9KG (D0)					1.2-1.325V	65 W		N / A
Pentium 4 HT 641	SL8WH, SL94X (B1)	3.2 GHz			16 ×	1.25-1.4V	86 W		January 5, 2006
	SL96K (C1)					1.2-1.325V			April 16, 2006
	SL9KF (D0)						65 W		N / A
Pentium 4 HT 651	SL8WG, SL94W (B1)	3.4 GHz			17 ×	1.25-1.4V	86 W		January 5, 2006
	SL96J (C1)					1.2-1.325V			April 16, 2006
	SL9KE (D0)						65 W		N / A
Pentium 4 HT 661	SL8WF, SL94V (B1)	3.6 GHz			18 ×	1.25-1.4V	86 W		January 5, 2006
	SL96H (C1)					1.2-1.325V			April 16, 2006
	SL9KD (D0)						86 W		N / A

Pentium 4 Extreme Edition

Gallatin (130 nm)

• All models support MMX , SSE , SSE2 , Hyper-Threading
• Transistors : 169 million
• The size: 237 mm²
• Steppings: M0

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Pentium 4 Extreme Edition 3.2	SL7AA (M0)	3.2 GHz	2 MB	800 MHz	16 ×	1.575V	92.1 W	Socket 478	November 3, 2003
Pentium 4 Extreme Edition 3.4	SL7CH (M0)	3.4 GHz			17 ×	1.575V	102.9 W		February 2, 2004
Pentium 4 Extreme Edition 3.4	SL7GD (M0)	3.4 GHz			17x	0.956-1.052 V	109.6 W	LGA775	June 21, 2004
	SL7RR (M0)					1.25-1.4V			N / A
Pentium 4 Extreme Edition 3.46	SL7NF (M0)	3.46 GHz		1066 MHz	13 ×	1.287-1.4V	110.7 W		October 31, 2004
	SL7RT (M0)								N / A

Prescott 2M (90 nm)

• All models support MMX , SSE , SSE2 , SSE3 , Hyper-Threading , EIST , Intel 64 , XD-Bit
• Transistors : 169 million
• The size: 135 mm²
• Steppings: N0

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Pentium 4 Extreme Edition 3.73	SL7Z4 (N0)	3.73 GHz	2 MB	1066 MHz	14 ×	1.25-1.388 V	115 W	LGA775	February 21, 2005
							95 W
							65 W

Mobile processors

Pentium 4-M

Northwood (130 nm)

• All models support MMX , SSE , SSE2 , SpeedStep
• The size: 131 mm²
• Processor size: 35mm × 35mm

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Pentium 4-M 1.4	SL5ZH SL5ZW	1.4 GHz	512 KB	400 MHz	14 ×	1.3V	25.8 W	Socket 478	April 23, 2002
Pentium 4-M 1.5	SL6CF SL5YT SL5ZX	1.5 GHz			15 ×	1.3V	26.9 W		April 23, 2002
Pentium 4-M 1.6	SL6FF SL6CG SL5YU SL5ZY	1.6 GHz			16 ×	1.3V	30 W		March 4, 2002
Pentium 4-M 1.7	SL5Z7	1.7 GHz			17 ×	1.3V	30 W		March 4, 2002
Pentium 4-M 1.8	SL6V7 SL6CJ SL6FH SL65Q SL69D	1.8 GHz			18 ×	1.3V	30 W		April 23, 2002
Pentium 4-M 1.9	SL6V8 SL6CK SL6FJ SL6DE	1.9 GHz			19 ×	1.3V	32 W		June 24, 2002
Pentium 4-M 2.0	SL6V9 SL6CL SL6FK SL6DF	2 GHz			20 ×	1.3V	32 W		June 24, 2002
Pentium 4-M 2.2	SL6J5 SL6VB	2.2 GHz			22 ×	1.3V	35 W		September 16, 2002
Pentium 4-M 2.4	SL6LS SL6K5 SL6VC	2.4 GHz			24 ×	1.3V	35 W		January 14, 2003
Pentium 4-M 2.5	SL6P2 SL6WY	2.5 GHz			25 ×	1.3V	35 W		April 16, 2003
Pentium 4-M 2.6	SL6WZ	2.6 GHz			26 ×	1.3V	35 W		June 11, 2003

Mobile Pentium 4

Northwood (130 nm)

• All models support MMX , SSE , SSE2 , IST

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Mobile Pentium 4 2.4	SL723 (D1)	2.4 GHz	512 KB	533 MHz	18 ×	1.2-1.525V	59.8 W	Socket 478	June 11, 2003
Mobile Pentium 4 2.66	SL724 (D1)	2.66 GHz			20 ×	1.2-1.525V	66.1 W
Mobile Pentium 4 2.8	SL725 (D1)	2.8 GHz			21 ×	1.2-1.525V	68.4 W
Mobile Pentium 4 3.06	SL726 (D1)	3.06 GHz			23 ×	1.2-1.550V	70 W

Mobile Pentium 4 HT

Northwood (130 nm)

• All models support MMX , SSE , SSE2 , IST , Hyper-Threading

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Mobile Pentium 4 HT 2.66	SL77M (D1)	2.66 GHz	512 KB	533 MHz	20 ×	1.2-1.550V	66.1 W	Socket 478	September 23, 2003
Mobile Pentium 4 HT 2.8	SL77N (D1)	2.8 GHz			21 ×	1.2-1.525V	68.4 W
Mobile Pentium 4 HT 3.06	SL77P (D1)	3.06 GHz			23 ×	1.2-1.550V	70 W
Mobile Pentium 4 HT 3.2	SL77R (D1)	3.2 GHz			24 ×	1.2-1.550V	76 W

Prescott (90 nm)

• All models support MMX , SSE , SSE2 , SSE3 , IST , Tm2 , Hyper-Threading
• Steppings: D0, E0

Model number	sSpec	Clock frequency	L2 cache	Front side bus	multiplier	Vcore	TDP	base	Publication date
Mobile Pentium 4 HT 518	SL7DS (D0)	2.8 GHz	1 MB	533 MHz	21 ×	1.25-1.4V	88 W	Socket 478	June 1, 2004
	SL7N8 (E0)								October 1, 2004
Mobile Pentium 4 HT 532	SL7DT (D0)	3.06 GHz			23 ×	1.25-1.4V	88 W		June 1, 2004
	SL7NA (E0)								October 1, 2004
Mobile Pentium 4 HT 538	SL7DU (D0)	3.2 GHz			24 ×	1.25-1.4V	88 W		June 1, 2004
	SL7NB (E0)								October 1, 2004
Mobile Pentium 4 HT 548	SL7X5 (E0)	3.33 GHz			25 ×	1.25-1.4V	88 W		September 28, 2004
Mobile Pentium 4 HT 552	SL7NC (E0)	3.46 GHz			26 ×	1.25-1.4V	88 W		January 4, 2005

See also

• List of Intel Core-i processors
• List of Intel Core processors