Strife212 has partitioned out about 15GB's of the RTX 3090's VRAM, and installed Crysis 3 to it. The card was still able to run the game at 4K with high settings over 60FPS. The article references an article about already achieving to run Crysis 3 solely on a CPU. Which I thought was a lovely nod to the work LMG does.
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This is an awesome example of just how beastly hardware is becoming. Where just a few years ago, even the highest end GPU's could barely run this game, now they're able to run this game with the entire file system loaded to them. I can't wait to see all the new and crazy things this will lead to.
Sources
https://www.techradar.com/news/nvidia-rtx-3090-is-such-a-monster-it-can-have-crysis-3-installed-in-vram-and-run-it-smoothly-at-4k