ps3clan.nl reports: "IBM shall POWER7 debut for the server market in the summer of 2010. The PlayStation 4 shall use a cost effective version of the architecture custom designed for Sony's specific needs.
The only information available regarding FGNOnline currently has specifications and performance is that the implementation of the PS4 chip cores shall use 6.8, 24-32MB shared L3 cache, Quad core by threading, and a double precision performance approaching 200GFLOPS.
The CELL chip which powers the PS3 is capable of 15 double precision GFLOPS. This would give the PS4 a performance leap of over 10 fold over it's predecessor."