Run it full screen and check.
Originally Posted by xxicrimsonixx
What driver version are you using for the Sapphire 5770?
9.10 and 9.11 are terrible, try the 9.12 Beta (currently using, haven't had any problems yet).
Originally Posted by Imglidinhere
I'm in no way an Nvidia fan any longer but I'll admit when they make a damn good card. the 8800 GT came out back in 07' and it still easily holds up to today's games. I can't imagine what the GTX is like. The 5770 is an iffy card at best. most go for either the 4770s, 4870s, or 5800 series cards. But yeah I'd doublecheck the DX11/9/10 thing mentioned above. That might be the issue.
Originally Posted by Lord Xeb
Acutally, the 8800GTX does not have tesselation like the 5770 does, thus, since the 5770 is performing mroe calculations (because of the tesselation) it is going to be slower.
Press F2 (I may be wrong) to see wireframe then do I think F3 for tesselation on and off with your 5770. Bricks shall be shat.