User blog comment:Callofduty4/Call of Duty: Ghosts: An early look/@comment-74.199.10.147-20130611003104/@comment-25496444-20130617180125

Case in point: Black Ops had frame rate and audio issues on PS3 that were nonexistent on Xbox. And I should mention WaW, BO and BO2 have had CPU issues on PC, leading to much less frame rate than in IW games (something like 30 opposed to 60 on same graphics settings).