| Era | Architecture | CPU Name | Clock Speed | Notable Devices |
|---|---|---|---|---|
| 1984-1994 | Motorola 68k | Motorola 68000 | 8-40 MHz | Macintosh 128K, Macintosh II |
| 1994-2006 | PowerPC | PowerPC G3/G4/G5 | 233 MHz - 2.7 GHz | iMac G3, Power Mac G5 |
| 2006-2020 | x86 (Intel) | Intel Core (Duo, i-Series) | 1.06 GHz - 5 GHz | MacBook Air, Mac Pro |
| 2020-Present | ARM (Apple Silicon) | Apple M1/M2/M3 | 3.2 GHz - 4.5 GHz | MacBook Air M1, Mac Studio |