Saints Row The Third Gameplay on AMD Turion X2 Dual Core and ATI HD 4650

game setting medium fps 15-18 with fraps 14-15 fps game lagg very much in outdoor fps Config Amd Tuion x2 dual core 2.2 ghz ATI HD mobility 4650 1g b 4 gb ram Windows 7 64 bit Resolution 1366*768