Noun
FXAA (plural FXAAs)
(computing) Initialism of fast approximate anti-aliasing.
Final images use ray traced global illumination for photorealistic quality, while interaction uses ray traced direct illumination with FXAA antialiasing for smooth interaction with accurate reflections. Source: Internet
What's just as impressive is you can set anti-aliasing to the higher quality SMAA up from the default FXAA at very high graphics and still hit 58 FPS in Rise of the Tomb Raider. Source: Internet