I'm not sure how well suited GPUs are to the workload. They're also rather memory constrained. The Moana dataset is from 2016 so it's not exactly cutting edge but good luck loading it into vram.

https://www.disneyanimation.com/data-sets/?drawer=/resources...

https://datasets.disneyanimation.com/moanaislandscene/island...

> When everything is fully instantiated the scene contains more than 15 billion primitives.