The Microsoft Xbox takes advantage of a 32-bit (common purpose) CISC x86 architecture CPU, with an instruction set equal to that of the Coppermine main Mobile Celeron, nevertheless it has fewer cache (128 kB) than the Pc equal. The PlayStation 2's CPU (known as the "128-little bit Emotion Engine") has a 64-little bit core with a 32-bit FPU coupled to two 128 little bit Vector Units, The hybrid R5900 CPU is based mostly on MIPS architecture.