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In addition: Every 7th generation console had a PPC CPU but only Wii had one similar to Mac's [1]. X360 and PS3 had PPE cores from Cell, which had a PPC ISA but
by pandaman 10y ago
In addition:
Every 7th generation console had a PPC CPU but only Wii had one similar to Mac's [1]. X360 and PS3 had PPE cores from Cell, which had a PPC ISA but not the performance of the "real" PPC that were used in Macs. E.g. there was no OOE and the memory coherency was enforced by just locking a cache line after a write so if you tried to read something from an address you just wrote you'd stall for 50 clocks, the famous "load hit store" stall. Luckily, we had SPEs on PS3 and the GPU on the 360 to do heavy computation.
1. https://en.wikipedia.org/wiki/Broadway_(microprocessor) https://en.wikipedia.org/wiki/Broadway_(microprocessor)