That's why i specifically mentioned RT Global Illumination. Yes, RT is not light processing even for nvidia cards. But you make room for it by completely eliminating rasterization lighting. Again, Metro Exodus Enhanced edition proved, game that runs on RTGI ONLY - actually will provide more FPS than older methods of rasterization lighting. Because that precisely what devs did for enhanced edition. They removed all those myriads of "fake lights" from the game, leaving only actual light sources, and allowing "infinite" light bouncing.
