[nemowolf]

Originally Posted by KarmaKiller

I think you hit the nail on the head Roots. OCing will cause "artifacts", which is what your seeing during your games. I would put my money on the OC causing the problems.
Revert back to stock settings, see if it still persists. Which I almost bet it won't..

Even throttling back the OC'ing to slightly more stock settings may help with the artifacting.