Watch the video. Listen to the claims.
The demo is awesome. We know real-world scans are the future and tessellation was a big deal. His claim is that in the demo you see a 33 Million triangle mesh (396MB of position data) that was imported directly. I can't see how that make any sense just as a memory footprint. He says there is no LOD system and no normal map baking. So I don't know how you could LOD. You obviously aren't calling draw 33 million triangles when the thing is 50 feet away.
You can't …
