We couldn’t see a performance difference between the GTX 560 cards despite using high-res textures. Still, we noticed during gaming that Gainward’s GTX 560 2048MB exhibited no stutters whatsoever, which wasn’t the case with the 1024MB version. GPUZ shows that Crysis 2 likes a hefty frame buffer, as the GTX 560 1024MB’s tends to be completely filled out.
Gainward GTX 560 2048MB
As you can see from the picture below, even the GTX 560 2048MB’s memory buffer was filled out at one moment.