So, I recently bought a gtx 970 (upgraded from 660) to go in my rig (fx8350 and m5a97r2.0 mobo). The card runs great, but sometimes my fps fluctuates wildly in my games, ie. All 1080p, Bf4 ultra settings I get anywhere from 120 -45 fps (storm is the only map that causes it to dip that low) and...