my friend is intel dg31pr mobo ,dual core 2.8ghz,4gb ram and 1gb ddr2 9400gt and i have pentium d 3.00ghz ,gigabyte 945gzm-s2,2gb ram and 1gb dd2 9500gt card the problem is my friend can run nfs hot pursuit without any lag using a 9400gt card at high res but even i have a better card than him which is 9500gt i cant run the game even on 17fps constantly my fps is between 8-15 only what is the reason