i dont no y but i will not buy a ati/amd gpu....i dont wanna call my self a fan boy or anything but i find myself not liking there cards. Dont get me wrong. they always have cool technologies like Ifenity but i just think Nvidia is better....I have had ati card b4, a ALL-N-WONDER a about 7 year back when i was in high school and i got it ckuz it was given to me....Nvidia is the best