Speaking to Videogaming247 recently, Terminal Reality president Mark Randel admitted that Ghostbusters on PS3 has been held back by the fact will also release on 360, saying that the game would have double the amount of objects on screen if it had been PS3-only:
We’re running the same game for both platforms but if we made (it) a PS3-only game, for example, you could double the amount of objects on screen that you’re seeing. The PlayStation 3 has seven processors and the 360 only has three, so seven versus three means you can do a lot more on the PS3. We’re keeping the game the same over both platforms so we don’t want to take out any features.