Trusted video game performance analyzer Digital Foundry has taken a look at the E3 build of Super Mario Odyssey. They specifically looked at the rendering techniques and the smooth frame rate as well as the lighting that is present in the game.
Here is the video:
The analysis shows a pretty good outlook for what the final game will play like. I thought the rendering techniques for New Donk City were especially interesting.
The 60 FPS, 720p (so far) adventure of Super Mario Odyssey will hit the Switch this October 27th.