i used to run 2 R9 270 on my pc and i decided to swap em out with 2 gtx 760 i was interested in the shadow play function i isntalled them and updated them i jumped ina game and my frames wouldnt go over 60 the R9's used to hit 120 easy on the games i played any ideas ive read that maybe the card is bottle neck due to my cpu i have a first gen i7 920 stock clock any ideas??