Metro 2033 HD 7970 vs GTX 580

New AMD card XFX HD 7970 vs top of nvidia cards gtx 580, we know who wins, but how a lot? Benchmark PC: Case: Aerocool xPredator Black PSU: Tacens Radix III 1200W Smart Motherboard: Asus Rampage II Extreme CPU: Core i7 930@ HT On CPU Cooler: Noctua NH-D14 Video Card: Zotac GTX 580 AMP and XFX Radeon HD 7970 RAM: Mushkin Copperhead DD3 PC3-12800 (7-8-7-20@1600) HDD: ST3500418AS, HD103SJ OS: Windows 7 Ultimate x64bit P.S. I take that design from trubritar videos... check his channel and dont forget to subsribe...