Hi I'm new to guru 3d, this is my first post Recently I have upgraded my video card into a hd 7990 from a MSI gtx 580 oc, and I was expecting to have a better game experience in games like crysis 3 which the old card couldn't fully handle. But surprisingly my hd 7990 can only have around 40 fps(average) on very high+FXAA(1080p) in the grassy level(welcome to the jungle), especially when the grasses increase, the frame dropped dramatically to 22-30 fps. Is it kinda normal to other 7990 owners? I seriously doubt that. I've tried different versions of catalyst driver(from 13.4 to 13.10 beta) but got similar results. It is so frustrating ! It runs well on other games like sleeping dogs and tomb raider 9. Besides the 3dmark 11 E score is over 5760, from which I believe the card is running normally. My system specs: i5 2500k 3.3 ghz(turbo boost up to 3.7) z68 16gb ddr 1600 ocz 750w I really hope someone could help me out ! Thanks in advance !