CPC 464	CPC 664	Euro PC	Euro AT	Tower AT 220
1984	1985	1988	1988	1989
Z80A @ 4 MHz	Z80A @ 4 MHz	8088 @ 9.54 MHz	80286 @ 12 MHz	80286 @ 12 MHz
64 kB RAM	64 kB RAM	512 kB RAM	1 MB RAM	1 MB RAM