Originally Posted by Destroy
I don't understand how SLI can be a game programming problem. I thought SLI splits up the rendering load between both cards then puts the image back together to one output and should be near 2x the speed.
This only 45% gain stuff just doesn't make sense to me.
True...but maybe the CPU is overloaded too? Or other hardware in the system could be causing it to hold back...I think i twas Doom3 engine games that actually gained massive fps in sli mode..