Down-Sampling Nvidia
Make your game look better at the cost of GPU temp and usage
Before http://i.imgur.com/S1GCkNv.png
After http://i.imgur.com/B0gFtkk.jpg
screenshots become 4.5 times larger in file size
Easiest to notice the changes on the ground
I don't usually leave this on because my graphics card is to lackluster to do so, "Might"reduce cpu usage by ~5%, so if you have free gpu and bottleneck cpu, definitely worth, don't have to go all the way to x4