So i was getting low fps for my 770 msi gaming oc edition 30-56 fps in ac4 high msaa 4x 1440x900 wtf why? so i oc'ed the gpu then i started the game and the f**ing pc crashed just my luck then i oc'ed it again this time all to max not only the core clock and memory the core voltage and the power limit this time it didn't crash but there was no fps difference why?