GPU out of memory crash, plenty of ram available

Development Rendering
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1

So im Running UE5.4 and getting the error where im running out of video card memory but there is plenty of it left.
For my Memory i have spent 120g virtual memory but the problem didn’t get solved and also it seems like unreal is using Shared GPU-Memory instead of Dedicated GPU-Memory so its taking long time and the gets the Error.
and im also running the Latest Studio driver.
Cpu: Ryzen 5 4650g pro
Ram: 32G 3200
Gpu: RTX 3090

Screenshot (3834)
Screenshot (3834)1088×756 121 KB

2

So ive seen this before, are you on direct x 11 or 12? check to see what version your launching/ running on. then adjust, hope that helps.

3

If youre talking about Default RHI, its DirectX12 on unreal engine setting

Screenshot (3840)
Screenshot (3840)906×764 116 KB

4

Swap to direct x11 let me know if your good then

5

I changed to DirectX11 but it didnt solve the problem but i find a way to load the landscape with material without crashing unrealengine.
you just have to insert the material when youre importing the landscape so it wont crash