AMD's best performing single chip GPU, the Radeon HD 5870, isn't quite a match for NVIDIA's bellwether, the GeForce GTX 480. If you want comparable performance from a high end AMD-based card, you have two options. Either stick two chips on one board for instant Crossfire mode, like the Radeon HD 5970, or overclock the hell out of a hand-picked HD 5870.



Link: TechRadar