Select your dedicated Nvidia GPU instead of "Auto-select" to ensure the processor isn't handling graphics tasks.
16x (minimal performance cost, huge visual gain). Antialiasing - FXAA: Off (causes blurriness). Antialiasing - Gamma Correction: On. Antialiasing - Mode: Application-controlled. Best Nvidia Control Panel Setting Optimizations...
Apply these settings in the tab under the Global Settings profile to affect all games. Image Scaling: Off (unless you need upscaling for FPS). Select your dedicated Nvidia GPU instead of "Auto-select"