| Processor | Date | Reg/Bus/Addr | Commercial Uses |
|---|---|---|---|
| Intel | |||
| 4004 | 1971 | 4/ 4/ ? | Calculators |
| 4040 | 197? | 4/ 4/ ? | Calculators |
| 8008 | 1972 | 8/ 8/16 | Home brew computer kits |
| 8080 | 1974 | 8/ 8/16 | Home brew computer kits |
| 8086 | 1978 | 16/16/20 | |
| 8088 | 1979 | 16/ 8/20 | IBM PC, PC Junior |
| 80186 | 1982 | 16/16/20 | IBM PC XT |
| 80188 | 1982 | 16/ 8/20 | |
| 80286 | 1982 | 16/16/24 | IBM PC AT |
| 80386 | 1985 | 32/32/32 | IBM PC |
| 80486 | 1989 | 32/32/32 | IBM PC |
| Pentium | 1992 | 32/32/32 | PC |
| P6 | 1995 | 32/32/32 | PC |
| Pentium 4 | 2000 | 32/32/32 | PC |
| Motorola | |||
| 6800 | 1974 | 8/ 8/16 | |
| 6809 | 197? | 8/ 8/16 | Controllers |
| 68000 | 1979 | 32/16/24 | Apple Macintosh |
| 68008 | 197? | 32/ 8/24 | |
| 68010 | 198? | 32/16/24 | Apple Macintosh, workstations |
| 68020 | 198? | 32/32/32 | Apple Macintosh, workstations |
| 68030 | 198? | 32/32/32 | Apple Macintosh, workstations |
| 68040 | 198? | 32/32/32 | Apple Macintosh, workstations |
| Zilog | |||
| Z80 | 1976 | 8/ 8/16 | Tandy TRS-80 |
| Z8000 | 198? | 16/16/24 | |
| MOS Technology, Rockwell International | |||
| 6502 | 197? | 8/ 8/16 | Apple I, Apple II |
| National Semiconductor | |||
| 32016 | 198? | 16/32/32 | Encore, Sequent multiprocessors |
| 32032 | 198? | 32/32/32 | Encore, Sequent multiprocessors |