Conventional testing part, HD4850 and above, GTS250 and above graphics cards can guarantee game run smoothly, but after opened 3D effect only HD5770 can guarantee game run smoothly,so if you want play the game smoothly,youd better at least have a mid-range above graphics cards .

From the results we can see that HD5700 series have better performance , we thought that the higher frequency is the main reason for their victory.