As I mentioned earlier “Increased VRAM usage in MSFS 2024 is a bug”– it’s even been marked as bug-logged, meaning the developers have confirmed it is a bug. We’re just waiting for a fix.
https://forums.flightsimulator.com/t/fps-performance-vram-bug/668753/1
edit
It seems to me that fix should be included with the MSFS 2024 SU2 (sim update 2)
