Microprocessor Chips: Intel

MICROPROCESSOR	YEAR	SPEED	WORD LENGTH	TRANSISTORS	MIPS
Intel 4004	1969	108 KHz	4-bit	2,300	.06
Intel 8008	1972	200 KHz	8-bit	3,500	.06
Intel 8080	1974	2 MHz	8-bit	6,000	.64
Intel 8086	1978	4.47 MHz	16-bit	29,000	.66
Intel 8088	1981	4.47 MHz	16-bit	29,000	.75
Intel 80286	1982	12 MHz	16-bit	134,000	2.66
Intel 80386	1985	16-33 MHz	32-bit	275,000	4
Intel 80486 (i486)	1989	20-100 MHz	32-bit	1.2 Million	70
Intel 80586 (Pentium)	1993	75-200 MHz	32-bit	3.3 Million	126 - 203
Intel Pentium Pro	1995	150-200 MHz	32-bit	5.5 Million	300
Intel Pentium MMX	1997	166-233 MHz	32-bit	4.5 Million	-
Intel Pentium II	1997	233-450 MHz	32-bit	7.5 Million	-
Intel Pentium III	1999	450-933 MHz	32-bit	Over 9.5 Million	-
Intel Itanium Processor (formerly Merced Processor)	2000	1 GHz	64-bit	15,000,000	1,200