Best FPS? Well you can go to Global and go to default, but to elaborate, I would do.
Ambient Occlusion-Off
Anisoptic Filtering- Application-Controlled
FXAA-Off
Gamma Coorection-On
Anti-Aliasing-Off
Transparency-Off
CUDA-All
DSR-Off
Fre rendered Frames-3d Application
MFAA-Off
Multi Display-Single Display
Power Management-Adaptive, unles you want it to always run at max core clock even at idle, which won't improve FPS in game.
Shader Cache-On
Texture Filtering-Anisotropic Sample..-Off
Negative LOD bias-Allow
Texture Filtering-Performance
Rilinear Optimization-On
Threaded optimization-Auto or off
Triple buffering-Off
Vertical Sync-3d application, or ON
Virtual frames-1