Not only where there various Amstrad CPC models but the CPC 464 also had a number of variations A, B & C
The main differences between the revisions are listed in the table below.
If you know of any others please post a message in the forum.
| Revision A | Revision B | Revision C |
| "Taller" keys | Lower profile keys | Lower profile keys |
| Larger system board | Smaller system board (about ½ size) | Even smaller system board (about¼ size) |
| Joystick & Stereo ports on back | Joystick & Stereo ports on left hand side | Joystick & Stereo ports on left hand side |
| Printer, Expansion, power, & monitor ports spread across back. | Printer, Expansion, Power & Monitor ports bunched to one side of the back. | Printer, Expansion, Power & Monitor ports bunched to one side of the back. |