Crysis3 on MSI 6870 crossfire and Amd 4170 black edition

Crysis3 on MSI 6870 crossfire and Amd 4170 black edition Getting Average of 52 fps my resolution on dx11 = 1680x1050 textures very high and 1x SMAA Would prob get more fps if cpu was 8350 , Crysis 3 is a bit heavy on the cpu (some areas where there isnt allot of AI activity i get 112 fps) My system Am3+ Amd FX 4170 (4.2 Ghz) (watercooled) Gigabyte GA-970A-D3 2x Msi 6870 (in Crossfire 2 Gb) 16 Gb 1600 DDR3 2TB WD Caviar sata 3 1TB Samsung sata 2 Trendnet 450 mbps Dual band wireless usb (tew-684ub) = awesome product Raidmax 80plus gold RX-850AE Windows 7 Ultimate x64