Hello guys. Im thinkin to upgrade my gpu cause my old one is dead Lol. I had the 4870x2 2gb. I need some advices which to choose ati or nvidia. Sapphire or asus. I have inmind 2 different gpu. ASUS EN GTX560 TI DC2 TOP/2DI/2GD5 2GB PCI-E RETAIL . SAPPHIRE RADEON HD7850 OC 2GB DDR5 PCI-E RETAIL . But the ati one is at 5ghz and the nvidia is at 4 ghz.What you guys think. Please google them cause cant Post links. Lol