Lumen's Global Illumination and Reflections primary shipping target is to support large, open worlds running at 60 frames per second (fps) on next-generation consoles. The engine's High scalability level contains settings for Lumen targeting 60 fps.
Lumen's secondary focus is on clean indoor lighting at 30 fps on next-generation consoles. The engine's Epic scalability level produces around 8 milliseconds (ms) on next-generation consoles for global illumination and reflections at 1080p internal resolution, relying on Temporal Super Resolution to output at quality approaching native 4k.