I heard 4.6 GHz.
Anyways, I can give you up to 64 reasons why consoles will never take away from computers since on a PS3 you can never scale up the number of cpus or hds and someday. The current highest edition of Server 2003 supports up to 64 processors and windows xp pro supports up 4.
This may come in handy to give the extra teraflop or two needed to render Gran Turiso XIII.