Rasterization will always win for primary rays. It's the secondary rays that are interesting: reflections, soft shadows, ambient occlusion. There are hacks to

Rasterization will always win for primary rays. It's the secondary rays that are interesting: reflections, soft shadows, ambient occlusion. There are hacks to do the same things with rasterization and screen space image tricks but they need to be customized with the art. E.g. shadow maps can provide fake soft shadows but all shadow mapping techniques need fine tuning to look good in a certain scene.