Resolution scaling is a great option if you're looking to gain an additional 10-15% performance after tweaking settings. If you're playing at a high resolution like 4K, and you combine res scaling with image sharpening, the results are often very close to native.
https://www.techspot.com/article/2161-resolution-scaling-gaming-performance/?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/article/2161-resolution-scaling-gaming-performance/?utm_source=dlvr.it&utm_medium=blogger