for gaming, you'd be looking at 720p and probably medium 'maybe-maybe' high. 1080p, 'maybe-'maybe' low settings. And those maybes would be a stretch and only certain games. Im pretty sure you can crossfire with a 7750-7770 if im not mistaken. Would also recommend you use 2333 mhz ddr3 ram, 8-16gb. Gaming usually only needs 4, system usually takes 2-4 depending which other programs your using, but that would leave anything left over for graphics part of your cpu to use. If you did that, you'd more than likely high solid medium to high on 720p, and at 1080p should be able to medium to high.