TechPowerUp published Call of Duty: Modern Warfare 2 Warzone 2.0: FSR 2.1 vs. DLSS Comparison
A quote from the article:
Call of Duty: Modern Warfare 2 | Warzone 2.0 has recently been updated with official support for AMD FidelityFX Super Resolution 2.1 (FSR 2.1). In this mini-review, we take a look, comparing the image quality and performance gains offered by upscaling technologies in this game.Call of Duty: Modern Warfare 2 Warzone 2.0: FSR 2.1 vs. DLSS Comparison