Well for starters , i get horrible fps on Farcry 3 and Crysis 3. The Witcher 3 crashes if i turn the ubersampling on and even when i put the V-sync on , mostof my games are not at 60fps (even if fraps indicates me its at 60). I know its not because my friend and I play next to each other and i can CLEARLY see the smooth 60fpson his screen and mine looks like 45 (on Diablo 3) and we have the same monitor. Plus , when i turn the V-sync off i get 290fps so thats what i dont understand (and my my rig is waaay better than my friend's). I looked at the temperatures and theyre fine , i changed my cable fron HDMI to DVI , i updated my drivers to 13.9 , i checkedif the two GPUs were on and i even ran a test programm to check if any of my components were broken and everything's fine. So i really dont know what the problem is. I have a radeon hd 7990 , 16Gb Kingston RAM 1600 , 850W PSU , i7 4770k processor , Win 7 OS. On a 1080p , 5ms response time 60hz display