Specs:AMD Bulldozer FX-4170 Quad Core 4.20GHz Processor FD4170FRGUBOX Socket AM3+16GB DDR3 RAMAMD RADEON 6670 2GB Graphics Card - HDMI/1080
complicated issue research over yahoo and bing this will help
I am not sure but I use nvidia geforce gtx 550ti and I play on ultra settings. I have a mid grade card myself. the rest of your specs look real good in my opinion.