|  | 
 |  | 
| By mnemonic | By opcode | By function | Manufacturer | Comment | 
|---|---|---|---|---|
| 4004 | Intel | First MPU ever! | ||
| 6303 | 6303 | Hitachi | Based on the 6801 | |
| 6800 | Motorola | |||
| 68000 | 68000 | Motorola | ||
| 680X0 | Motorola | |||
| 6809 | Motorola | |||
| 6811 | 6811 | Motorola | ||
| 8039 | 8039 | Intel | ||
| 8086 | 8086 | Intel | Same as 8088 | |
| uPD7810 | NEC | |||
| Transputer | Transputer | INMOS, later ST | ||
| Rabbit | Like Z80/Z180/HD64180 | 
| 
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