Originally Posted by particleman
*EDIT* I am mistaken HardOCP, has benchmarks of 4870x2s in Crossfire. But they only tested the 280's in SLi so it will be hard to get an accurate comparison with Tri SLi, especially given the way [H] does their best playable settings benchmarks.
You can look at the apples to apples comparision at [H]
Crysis certainly is faster on the GTX 280, Age of Conan is hard to tell, 3x 280's might be faster, not sure.