Can Unreal engine 5.1 use vrams of different graphics card at the same time?

Hey there @Joshuab_artist! It’s a bit dependent on if the crash is related to your VRAM or if it’s a specific driver issue that’s occurring. Often, 8gbs of VRAM is more than enough to work on most projects.

You’ve probably run across a thread somewhere similar to this one where I run down a bunch of things that can be done. This first one lists most of the standard ones, but some users have added more over time:

This second post is the nuclear option, but has proven effective for a number of users with persistent crashes that resetting Nvidia settings, reinstalling drivers, and etc. fail: