Question: is fxaa or smaa better?
Answer: SMAA, or Subpixel Morphological Anti-Aliasing, uses the same technique as FXAA — that is, MLAA (Morphological Anti-Aliasing). ... SMAA addresses this, and provides even better anti-aliasing and less blurring than FXAA. It's the joint work of Crytek and the Universidad de Zaragoza in Spain.