My CPU (AMD FX 8350 - 8 core) is bottlenecking in games like GTA 5 and some MMO's. It randomly just drops from 60-70 fps to 15-20 fps. i have an AMD R9 390 GPU. So i am asking how do i fix this, i didn't change any settings from both my cpu and gpu i don't know what is causing it if some one...