Originally Posted by LoganSnake

Comparison summary:

IGN - For those wanting to know which version looks better, the edge goes to the PS3. The textures and framerate are comparable, but the PS3 has far less pop-in. The 360 has richer colors, but the PS3 has better anti-aliasing making it look a little cleaner. Because GTA IV can preload onto the PS3 hard drive, the in-game loads are faster.

EGM - PS3 or 360 version: 360 for DLC, PS3 version looks slightly more vibrant and sharp

1UP - the PS3 version has the slightest visual edge

Games Radar - the PS3's visuals sport noticeably smoother edges, along with a warmer color palette that makes everything look slightly more realistic.

Gamespy UK - For those who have to decide between the Xbox 360 and PS3 versions, we should mention that these flaws are slightly less noticeable in the PS3 game.