Game settings which impact the CPU usage depends on the game itself mainly and also some what depends on the hardware combination used. ... MLAA(Morphological Anti-Aliasing) for example is very much CPU intensive, on the other hand MSAA(Multi-Sample Anti-Aliasing) is very much GPU bound.)

Does anti-aliasing affect GPU or CPU?

Premium Member. resolution is nearly all gpu, as is Anti Alias. You need increasingly more GPU memory as you increase your AA also. Actually, higher resolutions rely more on GPU than do lower resolutions.

Should I turn anti-aliasing on or off?

In short, you should switch Anti-aliasing on if you're trying to get the best possible picture that you can get, and you're playing a game in single player mode. If you want the best chance of winning a competitive game online, then turning anti-aliasing off is a good idea.