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Low-Cost Desktop Processors:

High-Performance Desktop Processors

Pre-Pentium Desktop Processors

Pre-Windows-98 Desktop Processors

Mobile Processors

Server Processors

Low-Cost Desktop Processors:

*CPU*	*Intro. Date*	Width (micron)	Cache Size (KB)	*SSE*	Bus Speed (MHz)
1.8 GHz Celeron	May 15, 2002	.18	128	Yes	400
1.7 GHz Celeron	May 15, 2002	.18	128	Yes	400
1.4 GHz Celeron	?	.13	256	Yes	100
1.3 GHz Celeron	Jan. 4, 2002	.13	256	Yes	100
1.2 GHz Celeron	Oct. 3, 2001	.13	256	Yes	100
850 MHz Celeron	April 9, 2001	.18	160	Yes	100
800 MHz Celeron	Jan. 3, 2001	.18	160	Yes	100
766 MHz Celeron	Nov. 13, 2000	.18	160	Yes	66
733 MHz Celeron	Nov. 13, 2000	.18	160	Yes	66
700 MHz Celeron	June 26, 2000	.18	160	Yes	66
667 MHz Celeron	June 26, 2000	.18	160	Yes	66
633 MHz Celeron	June 26, 2000	.18	160	Yes	66
600 MHz Celeron	Apr. 5, 2000	.18	128	Yes	66
566 MHz Celeron	Apr. 5, 2000	.18	128	Yes	66
533 MHz Celeron	Jan. 4, 2000	.25	128	No	66
500 MHz Celeron	Aug. 1, 1999	.25	128	No	66
466 MHz Celeron	Apr. 26, 1999	.25	128	No	66
433 MHz Celeron	Mar. 22, 1999	.25	128	No	66
400 MHz Celeron	Jan. 4, 1999	.25	128	No	66
366 MHz Celeron	Jan. 4, 1999	.25	128	No	66
333 MHz Celeron	Aug. 24, 1998	.25	128	No	66
300 MHz Celeron A	Aug. 24, 1998	.25	128	No	66
300 MHz Celeron	June 8, 1998	.25	0	No	66
266 MHz Celeron	Apr. 15, 1998	.25	0	No	66

High-Performance Desktop Processors

*CPU*	*Intro. Date*	ICOMP Index 3.0	Transistors (million)	Width (micron)	Cache Size (KB)	Bus Speed (MHz)
2.53 GHz Pentium 4	May 6, 2002			.13	512	533
2.4 GHz Pentium 4	May 6, 2002			.13	512	533
2.26 GHz Pentium 4	May 6, 2002			.13	512	533
2.4 GHz Pentium 4	April 2, 2002		55	.13	512	266
2.2 GHz Pentium 4	January 7, 2002			.13	512	266
2.0A GHz Pentium 4	January 7, 2002			.13	512	266
2.0 GHz Pentium 4	August 27, 2001			.18	256	400/133
1.9 GHz Pentium 4	August 27, 2001			.18	256	400/133
1.8 GHz Pentium 4	July 2, 2001			.18	256	400/133
1.6 GHz Pentium 4	July 2, 2001			.18	256	400/133
1.7 GHz Pentium 4	April 23, 2001			.18	256	400/133
1.3 GHz Pentium 4	Jan. 16, 2001			.18	256	400
1.5 GHz Pentium 4	Nov. 20, 2000			.18	256	400
1.4 GHz Pentium 4	Nov. 20, 2000			.18	256	400
933 MHz Pentium III	May 24, 2000	3100		.18	256	133
866 MHz Pentium III	Mar. 20, 2000	2890		.18	256	133
850 MHz Pentium III	Mar. 20, 2000	2830		.18	256	100
1GHz Pentium III	Mar. 8, 2000	3280		.18	256	133
800 MHz Pentium III	Dec. 20, 1999	2690		.18	256	133 / 100
750 MHz Pentium III	Dec. 20, 1999	2540		.18	256	100
733 MHz Pentium III	Oct. 25, 1999	2510		.18	256	133
700 MHz Pentium III	Oct. 25, 1999	2420		.18	256	100
667 MHz Pentium III	Oct. 25, 1999			.18	256	133
650 MHz Pentium III	Oct. 25, 1999	2270		.18	256	100
600 MHz Pentium III	Oct. 25, 1999	2110		.18	256	133 / 100
550 MHz Pentium III	Oct. 25, 1999			.18	256	100
533 MHz Pentium III	Oct. 25, 1999			.18	256	133
500 MHz Pentium III	Oct. 25, 1999			.18	256	100
600 MHz Pentium III	Aug. 1, 1999	1930	9.5	.25	512 external	100
550 MHz Pentium III	May 17, 1999	1780	9.5	.25	512 external	100
500 MHz Pentium III	Feb. 26, 1999	1650	9.5	.25	512 external	100
450 MHz Pentium III	Feb. 26, 1999	1500	9.5	.25	512 external	100
450 MHz Pentium II	Aug. 24, 1998	1240 (2.0 = 483)	7.5	.25	512 external	100
400 MHz Pentium II	Apr. 15, 1998	1130 (2.0 = 440)	7.5	.25	512 external	100
350 MHz Pentium II	Apr. 15, 1998	386	7.5	.25	512 external	100
333 MHz Pentium II	Jan. 26, 1998		7.5	.35	512 external	66

Pre-Pentium Desktop Processors

*CPU*	*Intro. Date*	*Transistors*	Width (microns)	*Typical Use*
33 MHz 486 SL	Nov. 9, 1992	1,400,000	.8
25 MHz 486 SL	Nov. 9, 1992	1,400,000	.8
20 MHz 486 SL	Nov. 9, 1992	1,400,000	.8	First CPU specifically designed for notebook PCs
33 MHz 386 SX	Oct. 26, 1992	275,000	1.5
33 MHz 486 SX	Sept 21, 1992	900,000	.8
66 MHz 486 DX2	Aug. 10, 1992	1,200,000	.8
50 MHz 486 DX2	Mar. 3, 1992	1,200,000	.8	Uses "speed-doubler" technology where the microprocessor core runs at twice the speed of the bus.
25 MHz 386 SL	Oct. 30, 1991	855,000	1
25 MHz 486 SX	Sept 16, 1991	900,000	.8
16 MHz 486 SX	Sept 16, 1991	900,000	.8
50 MHz 486 DX	June 24, 1991	1,200,000	.8
20 MHz 486 SX	Apr. 22, 1991	1,185,000	1	Low-cost entry to 486 CPU desktop computing. Same as 486 DX but with no math coprocessor. Upgradable with the Intel OverDrive processor. Standard processor in embedded applications
25 MHz 386 SL	Oct. 15, 1990	855,000	1
20 MHz 386 SL	Oct. 15, 1990	855,000	1	First microprocessor specifically for portables. Highly integrated; includes cache, bus, and memory controllers.
33 MHz 486 DX	May 7, 1990	1,200,000	1
33 MHz 386 DX	Apr. 10, 1989	275,000	1.5
25 MHz 486 DX	Apr. 10, 1989	1,200,000	1	Desktop computing and servers. 50 times the performance of the 8088. Can scan the Encyclopedia Britannica in 3.5 seconds.
25 MHz 386 SX	Jan. 25, 1989	275,000	1.5
20 MHz 386 SX	June 16, 1988	275,000	1.5
16 MHz 386 SX	June 16, 1988	275,000	1.5	Entry-level desktop and portable computing.
25 MHz 386 DX	Apr. 4, 1988	275,000	1.5
20 MHz 386 DX	Feb. 16, 1987	275,000	1.5
16 MHz 386 DX	Oct. 17, 1985	275,000	1.5	Desktop computing. Can scan the Encyclopedia Britannica in 12.5 seconds. Can address enough memory to manage an eight-page history of every person on earth.
12 MHz 80286	Feb. 1982	134,000	1.5
10 MHz 80286	Feb. 1982	134,000	1.5
6 MHz 80286	Feb. 1982	134,000	1.5	Standard microprocessor for all PC clones. Three to six times the performance of the 8086. Can scan the Encyclopedia Britannica in 45 seconds.
80186	1982			Used mostly in controller applications.
8 MHz 8088	June 1979	29,000	3
5 MHz 8088	June 1979	29,000	3	Standard microprocessor for all IBM PCs & PC clones. Identical to 8086 except for its 8-bit external.
10 MHz 8086	June 8, 1978	29,000	3
8 MHz 8086	June 8, 1978	29,000	3
5 MHz 8086	June 8, 1978	29,000	3	Portable computing. Ten times the performance of the 8080.
5 MHz 8085	Mar. 1976	6,500	3	Toledo scale (computed cost using weight & price).
2 MHz 8080	Apr. 1974	6,000	6	Traffic-Light controller. Altair computer. Ten times the performance of the 8008.
200 KHz 8008	Apr. 1972	3,500	10	Dumb terminals. General calculators. Bottling machines. Data/character manipulation.
108 KHz 4004	Nov. 15, 1971	2,300	10	Busicom calculator. First microcomputer chip, arithmetic manipulation.

Pre-Windows-98 Desktop Processors

*CPU*	*Intro. Date*	ICOMP Index 2.0	Transistors (million)	Width (microns)	Cache Size (KB)	Bus Speed (MHz)
200 MHz Pentium Pro	Aug. 18, 1997		62.0	.35	1024	66
233 MHz Pentium MMX	June 2, 1997	203	4.5	.35	256	66
300 MHz Pentium II	May 7, 1997	332	7.5	.35	512	66
266 MHz Pentium II	May 7, 1997	303	7.5	.35	512	66
233 MHz Pentium II	May 7, 1997	267	7.5	.35	512	66
200 MHz Pentium MMX	Jan. 8, 1997	182	4.5	.35	256	66
166 MHz Pentium MMX	Jan. 8, 1997	160	4.5	.35	256	66
200 MHz Pentium	June 10, 1996	142	3.3	.35	128	66
166 MHz Pentium	Jan. 4, 1996	127	3.3	.35	128	66
150 MHz Pentium	Jan. 4, 1996	114	3.3	.35		60
200 MHz Pentium Pro	Nov. 1, 1995	? ? 220	5.5 15.5 31.0	.35 .6 .35	0 256 512
180 MHz Pentium Pro	Nov. 1, 1995	? ? 197	5.5 15.5 31.0	.35 .6 .35	0 256 512
166 MHz Pentium Pro	Nov. 1, 1995		5.5 15.5 31.0	.35 .6 .35	0 256 512
150 MHz Pentium Pro	Nov. 1, 1995		5.5 15.5 31.0	.35 .6 .35	0 256 512
133 MHz Pentium	June 1995	111	3.3	.35		66
120 MHz Pentium	Mar. 27, 1995	100 100	3.2 3.2	.6 .35		60 60
100 MHz Pentium	Mar. 7, 1994	90	3.2	.6		60
100 MHz 486 DX4	Mar. 7, 1994		1.6	.6
90 MHz Pentium	Mar. 7, 1994	81	3.2	.6		60
75 MHz 486 DX4	Mar. 7, 1994		1.6	.6
75 MHz Pentium	Oct. 10, 1993	75	3.2	.6		50
66 MHz Pentium	Mar. 22, 1993		3.1	.8
60 MHz Pentium	Mar. 22, 1993		3.1	.8

Mobile Processors
:

*CPU*	*Intro. Date*	Width (microns)	Cache Size (KB)	Bus Speed (MHz)	Power (Watts)
2.0 GHz / 1.2 GHz Pentium 4 - M Speedstep	June 24, 2002	.13	512	400	? / 2.0
1.9 GHz / 1.2 GHz Pentium 4 - M Speedstep	June 24, 2002	.13	512	400	? / 2.0
1.8 GHz / 1.2 GHz Pentium 4 - M Speedstep	April 23, 2002	.13	512	400	? / 2.0
1.5 GHz / 1.2 GHz Pentium 4 - M Speedstep	April 23, 2002	.13	512	400	? / 2.0
1.4 GHz / 1.2 GHz Pentium 4 - M Speedstep	April 23, 2002	.13	512	400	? / 2.0
1.7 GHz / 1.2 GHz Pentium 4 - M Speedstep	March 4, 2002	.13	512	400	? / 2.0
1.6 GHz / 1.2 GHz Pentium 4 - M Speedstep	March 4, 2002	.13	512	400	? / 2.0
866 / 533 MHz MHz Pentium III - M Speedstep (ultra low power)	Jan. 21, 2002	.13	512	133
850 / 500 MHz MHz Pentium III - M Speedstep (ultra low power)	Jan. 21, 2002	.13	512	133
750 / 350 MHz MHz Pentium III - M Speedstep (ultra low power)	Jan. 21, 2002	.13	512	133
1.20 GHz Celeron	Jan. 21, 2002	.13	256	100
1.13 GHz Celeron	Jan. 21, 2002	.13	256	100
1.06 GHz Celeron	Jan. 21, 2002	.13	256	100
650 MHz Celeron (ultra low power)	Jan. 21, 2002	.13	256	100
1.2 GHz / 800 MHz Pentium III - M Speedstep	Oct. 1, 2001	.13	512	133	22.0 / 9.8
800 MHz / 533 MHz Pentium III - M Speedstep	Oct. 1, 2001	.13	512	133	9.8 / 6.1
750 MHz / 450 MHz Pentium III - M Speedstep	Oct. 1, 2001	.13	512	133	9.4 / 5.7
733 MHz / 466 MHz Pentium III - M Speedstep	Oct. 1, 2001	.13	512	133	9.3 / 5.8
700 MHz / 300 MHz Pentium III - M Speedstep	Oct. 1, 2001	.13	512	133	7.0 / 3.0
933 MHz Celeron	Oct. 1, 2001	.13	128	100
900 MHz Celeron	Oct. 1, 2001	.13	128	100
866 MHz Celeron	Oct. 1, 2001	.13	128	100
850 MHz Celeron	Oct. 1, 2001	.13	128	100
800 MHz Celeron	Oct. 1, 2001	.13	128	100
733 MHz Celeron	Oct. 1, 2001	.13	128	100
650 MHz Celeron (ultra low power)	Oct. 1, 2001	.13	128	100
1.13 GHz / 733 MHz Pentium III - M Speedstep	July 30, 2001	.13	512	133	21.8 / 9.3
1.06 GHz / 733 MHz Pentium III - M Speedstep	July 30, 2001	.13	512	133	21.0 / 9.3
1 GHz / 733 MHz Pentium III - M Speedstep	July 30, 2001	.13	512	133	20.5 / 9.3
933 MHz / 733 MHz Pentium III - M Speedstep	July 30, 2001	.13	512	133	21.1 / 9.3
866 MHz / 667 MHz Pentium III - M Speedstep	July 30, 2001	.13	512	133	19.5 / 8.9
750 / 500 MHz Pentium III Speedstep (ultra low power)	May 21, 2001	.18	256	100
600 / 300 MHz Pentium III Speedstep (ultra low power)	May 21, 2001	.18	256	100
600 MHz Celeron (ultra low power)	May 21, 2001	.18	128	100
600 MHz Celeron (low power)	May 21, 2001	.18	128	100
800 MHz Celeron	May 21, 2001	.18	128	66
1 GHz Pentium III Speedstep	March 19, 2001	.18	256	100
900 MHz Pentium III Speedstep	March 19, 2001	.18	256	100
750 MHz Celeron	March 19, 2001	.18	128	66
700 MHz Pentium III	Feb. 27, 2001	.18	256	100
500 / 300 MHz Pentium III Speedstep (ultra low power)	Jan. 30, 2001	.18	256	100
500 MHz Celeron (ultra low power)	Jan. 30, 2001	.18	128	100
850 / 700 MHz Pentium III Speedstep	Sept. 25, 2000	.18	256	100
800 / 650 MHz Pentium III Speedstep	Sept. 25, 2000	.18	256	100
700 MHz Celeron	Sept. 25, 2000	.18	128	66
750 MHz Pentium III	June 19, 2000	.18	256	100
650 MHz Celeron	June 19, 2000	.18	128	66
600 MHz Celeron (low power)	June 19, 2000	.18	128	66
600 MHz Celeron	June 19, 2000	.18	128	66
600 MHz Pentium III (low power)	June 19, 2000	.18	256	100
700 / 500 MHz Pentium III Speedstep	Apr. 24, 2000	.18	256	100
500 MHz Celeron	Apr. 24, 2000	.18	128	66
650 / 500 MHz Pentium III Speedstep	Jan. 18, 2000	.18	256	100
600 / 500 MHz Pentium III Speedstep	Jan. 18, 2000	.18	256	100
500 MHz Pentium III	Oct. 25, 1999	.18		100
450 MHz Pentium III	Oct. 25, 1999	.18		100
400 MHz Pentium III	Oct. 25, 1999	.18		100
466 MHz Celeron	Sept 15, 1999		128	66
433 MHz Celeron	Sept 15, 1999		128	66
400 MHz Pentium II	June 16, 1999	.25	256	66
400 MHz Celeron			128	66
366 MHz Celeron			128	66
333 MHz Celeron	Apr. 5, 1999		128	66
300 MHz Celeron			128	66
366 MHz Pentium II		.25	256	66
333 MHz Pentium II		.25	256	66
300 MHz Pentium II		.25	256	66
266 MHz Pentium II	Apr. 2, 1998	.25	512	66
233 MHz Pentium II	Apr. 2, 1998	.25	512	66
300 MHz Pentium MMX	Jan. 7, 1998	.25		66
233 MHz Pentium MMX	Sept 8, 1997	.25 .25	256 512	66 66
200 MHz Pentium MMX	Sept 8, 1997	.25 .25	256 512	66 66

Server Processors

*CPU*	*Intro. Date*	*Bits*	Width (microns)	*L2 Cache Size (KB)*	*L3 Cache Size (KB)*	Bus Speed (MHz)
1 GHz Itanium 2	July 8, 2002	64		256	1536 3072	400
900 MHz Itanium 2	July 8, 2002	64		256	1536	400
2.4 GHz Xeon MP	April 23, 2002	32	.13	512		400
1.6 GHz Xeon MP	March 12, 2002	32		256	512 1024	400
1.5 GHz Xeon MP	March 12, 2002	32		256	512 1024	400
1.4 GHz Xeon MP	March 12, 2002	32		256	512 1024	400
2.0 GHz Xeon	Sept. 24, 2001	32	.18	256		400
1.26 GHz Pentium III-S	June 26, 2001	32	.13	512		133
1.13 GHz Pentium III-S	June 26, 2001	32	.13	512		133
800 MHz Itanium	May 29, 2001	64	.18	4096 2048		266
733 MHz Itanium	May 29, 2001	64	.18	4096 2048		266
1.7 MHz Xeon	May 21, 2001	32	.18	256		400
1.5 MHz Xeon	May 21, 2001	32	.18	256		400
1.4 MHz Xeon	May 21, 2001	32	.18	256		400
900 MHz Pentium III Xeon	March 20, 2001	32	.18	2048		133
700 MHz Pentium III Xeon	May 22, 2000	32	.18	1024 2048		133
800 MHz Pentium III Xeon	Jan. 12, 2000	32	.18	256		133
700 MHz Pentium III Xeon	Oct. 25, 1999	32	.18	256		133
667 MHz Pentium III Xeon	Oct. 25, 1999	32	.18	256		133
600 MHz Pentium III Xeon	Oct. 25, 1999	32	.18	256		133
500 MHz Pentium III Xeon	Mar. 18, 1999	32	.25	512 1024 2048		100
450 MHz Pentium III Xeon	Jan. 5, 1999	32	.25	512 1024 2048		100
450 MHz Pentium II Xeon	June 29, 1998	32	.25	512 1024		100

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Updated- August 2002

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