Why is my GPU not doing anything when I render?

[Anonymous]

I unchecked the CPU box in advanced render settings just to see if my gpu would play any role in the render. It's at like 30 Celsius and 0% according to hardware monitor. It just doesn't seem to be taxed in any way while my CPU is dimed even when I uncheck that box in render settings. Why is this?

[warrant63]

If your GPU's VRAM is not enough for your scene, the render job (if fallback is enabled) will fall back to your CPU 🙂

[Anonymous]

I have an RTX 3080. It's not an entry level graphics card. It's damn good. It's still not getting any kind of load when I render things, and if I uncheck the cpu entirely it's still taxing the CPU while doing nothing to the GPU.

[KonanTsukue943]

Dabbler sang, please check "Render Settings"→“Advanced" make sure your GPU is checked,
if it still doesn't work， what driver are you using? The latest drivers are not guaranteed to be the best working ones.

[Author]

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