CPU Comparison Table

This table is designed to show current comparisons between various speeds and architectures of CPU chips.

CPU	Generation	Process Technology	Number transistors	Data/Address Bus width (bits)	GP Register width (bits)	Memory Bus speed	Internal Clock speed
Intel 8080	1st	6.0 microns	6 000	8 / 16	8	2 MHz	2 MHz
Intel 8088	1st	3.0 microns	29 000	8 / 20	16	4.77-8 MHz	4.77-8 MHz
Intel 8086	1st	3.0 microns	29 000	16 / 20	16	4.77-8 MHz	4.77-8 MHz
Intel 80286	2nd	1.5 microns	134 000	16 / 24	16	6-20 MHz	6-20 MHz
Intel 80388 DX	3rd	1.5 / 1.0 microns	275 000	32 / 32	32	16-33 MHz	16-33 MHz
Intel 80386 SX	3rd	1.5 / 1.0 microns	275 000	16 / 32	32	16-33 MHz	16-33 MHz
Intel 80486 DX	4th	1.0 microns	1.2 million	32 / 32	32	25-50 MHz	25-50 MHz
Intel 80486 DX2	4th	0.8 microns	1.2 million	32 / 32	32	25-40 MHz	50-80 MHz
AMD 5x86	4th	0.35 microns	1.2 million	32 / 32	32	33 MHz	133 MHz
Intel Pentium (P5/P54C)	5th	0.8-0.0.35 microns	3.1 million	64 / 32	32	60-66 MHz	60-200 MHz
Cyrix 6x86 (M1)	5th	0.6 microns	3.0 million	64 / 32	32	50-75 MHz	100-150 MHz (P120-200)
AMD K5	5th	0.35 microns	4.3 million	64 / 32	32	50-66 MHz	75-116 MHz (P75-166)
Intel Pentium MMX (P55C)	5th	0.35 microns	5.5 million	64 / 32	32	66 MHz	166-233 MHz
Intel Pentium Pro	6th	0.6 / 0.35 microns	5.5 million (+ IL2C)	64 / 36	32	60-66 MHz	150-200 MHz
AMD K6 (NX686)	6th	0.35 / 0.25 microns	8.8 million	64 / 32	32	66 MHz	166-266 MHz
Intel Pentium II	6th	0.35 / 0.25 microns	7.5 million	64 / 36	32	66-100 MHz	233-450 MHz
Intel Pentium III	6th	0.18 microns	28 million	64 / 36	32	100-133 MHz	450-1200 MHz
AMD Athlon	7th	0.18 / 0.13 microns	37-54 million	64 / 36	32	200-333 MHz	500-2250 MHz (XP3000+)
Intel Pentium 4	7th	0.18 / 0.13 microns	42 million	64 / 36	32	400-533 MHz	1.4-3.3 GHz
Intel IA-64 Itanium	8th	0.18 microns	25 million (+IC)	64 / 44	64	400 MHz	733-1000 MHz
AMDX86-64 (K8 - Hammer)	8th	0.13/0.09 microns	110 million	64 / 36	64	N/A	>2000 MHz (>XP3400+)

Version 1.1.5

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