Ok so Crysis 3 arrived yesterday and ever since i started playing iv'e had problems with performance. I run two 7870 in crossfire and my performance is terrible. I can only play at medium settings at 1080p. I have tried 12.11, 13.1 and 13.2 to no avail. Iv'e tried numerous application profiles for different games in desperation. Iv'e also tried AFR etc.

Has anybody else had these issues with crossfire?

Any help would be greatly appreciated, thanks.


Specs:
AMD Phenom ii x6 1090t
Asus M4A89GTD Pro/USB3
G.skill 8gb
2x MSI Twin Frozr iii 7870's
Corsair TX750M