http://www.boxgods.com/dept/hardware...Page=4#F.E.A.R.
x1800xt stock 625/1500 is beating a 550/1700 7800 gtx 512 mb in f.e.a.r and call of duty 2 and battlefield 2 only losses in quake 4, remember its memory bandwidth that matters at high resolutions core clock really doesnt mean much at high resolution its memory overclocks that improve performance the most.