| Name & Date Introduced | Manufacturer | Word Length (bits) |
I/O Bus Width (bits) |
Clock Speed (MHz) |
Systems Using Chip | MIPS |
|---|---|---|---|---|---|---|
| 8088 (1979) | Intel | 16 | 8 | 4-8 | IBM PC & XT | 0.3 |
| 68000 (1979) | Motorola | 32 | 16 | 8-16 | Macintosh Plus & SE Commodore Amiga |
1.6 |
| 80286 (1981) | Intel | 16 | 16 | 8-28 | IBM PC/AT PS/2 Model 50/60 Compaq Deskpro 286 |
2.66+ |
| 68020 (1984) | Motorola | 32 | 32 | 16-33 | Macintosh II | 5.5 |
| Sparc (1985) (RISC) | Sun Microsystems | 32 | 32 | 20-25 | Sun Sparcstation 1 & 300 | 20+ |
| 80386DX (1985) | Intel | 32 | 32 | 16-33 | IBM PS/2s IBM Compatibles |
11.4+ |
| 68030 (1987) | Motorola | 32 | 32 | 16-50 | Macintosh IIx series & SE/30 | 12 |
| 80486DX (1989) | Intel | 32 | 32 | 25-66 | High-end IBM PS/2s IBM Compatibles |
54+ |
| 68040 (1989) | Motorola | 32 | 32 | 25-40 | Macintosh Quadras | 35+ |
| RISC 6000 (1990) | IBM | 32 | 32 | 20-150+ | IBM RISC/6000 Workstation | 56+ |
| MicroSparc (1992) | Sun Microsystems | 32 | 32 | 50-150+ | Sun Sparcstation LX | 59 |
| Pentium (1993) | Intel | 64 | 64 | 60-166+ | Compaq Deskpro IBM Compatibles HP Net Server |
100+ |
| Alpha AXP (1993) | DEC | 64 | 64 | 150+ | DEC Systems | 300+ |
| PowerPC RISC (1994) | Motorola | 64 | 64 | 150+ | Power Macintoshes | 300+ |
| Pentium Pro (1995), Pentium II and III (1999) & Beyond | Intel | 64+ | 64+ | 150-300+ | Compaq Proliant IBM Compatibles |
300+ |
