Quote Originally Posted by bhavv View Post
The 5770s have legendary crossfire scaling. You will find in a lot of tests that using two 5770s in crossfire can give a 100% and over performance increase (I get 23 FPS in heaven benchmark with one 5770, and 48 with both at the same clock speeds).

Core I7 with a pair of 5770s is IMO currently the most efficient setup.
benchmarks are obviously going to use SLI/CF better than games, but no one really cares about benchmark performance except benchers. The question is how much FPS do you get in an actual game between one 5770 and two.