It's more than one chip, number one. Number 2, you need to actually do your god DAMNED RESEARCH before you post.
See, this right here- this is what I'm talking about. You have these stupid kids, posting all this crap about stuff that they've got no clue about, trying to sound like they actually know something, when in reality they wouldn't know a PPU from a processor.
Good god, I feel like I'm trying to explain calculus to cats.