hello all i have a windows 8.1 game computer with a amd athalon 860k 3,7ghz quad core 24gb ddr3 at 2100mhz 120gb ssd and 320gb hdd nvisia gtx 770 2gb my problem is when i play sl and i turn settings on high i have klow frame rate and draw distance on 32 when i do draw distance to 64 its only gives 2 a 3 fram a sec idk how this comes annyone knows ?