crysis 3 7950 xfire low fps

ManUnitedFan81

Reputable
Nov 4, 2014
13
0
4,510
so i was getting between 50 to 80 fps with xfire enabled at 1080p max settings with smaa x4, then i play a week later and im getting 30 to 45 fps with xfire disabled and 25 to 35 with xfire enabled. what could be the cause? ive changed nothing in my pc.