SSE Display Tweaks:
Reshade:
Mechanical Panda – Performance Setup for 1080p:
or
Sharpening Oversampling Shader – An ENB postprocess for improved visual fidelity
How To Install Reshade:
I personally use MP’s ini tweak, but with my own bethini settings. How this works is SSE Display Tweaks lowers the resolution scale to 80%, but reshade has a few sharpening effects to bring back some clarity. You can read more about it on their mod page.