Originally Posted by LifeOnMars
GTA IV is all about the CPU. Get a Sandy bridge chip, clock it to 4.5GHz or over and it owns the game. I play at 2048x1536 with a HD 5870 . No stutters and framerate drops at all, smooth as silk. I only have a 2500K, I daresay a 2600K would decimate the game.
I can confirm this.
-I also noticed that the game does not support Xfire, because when its on, all of my settings go to lowest and my "available memory" goes red even though it says 200/4096