On average AMD's Radeon HD 4870 X2 is the fastest graphics card on the market. It combines the performance of two HD 4870 with 2 GiByte VRAM. Now the gap between the HD 4870 and the HD 4870 X2 is closed. The HD 4850 X2 fits in between. PCGH made the test.



http://www.pcgameshardware.com/aid,6...on_HD_4850_X2/