Why is my GPU usage dropping to 0% during 4K rendering?

[AngieMacal]

I’ve been having this frustrating issue where my GPU usage randomly spikes and then drops to zero while I'm working on heavy video projects. I’m running a high-end setup with an RTX 4090, but the stuttering makes it almost impossible to finish a render without a crash. Does anyone know a specific GPU performance tweak for Windows 11 that can stabilize the power delivery? I’ve already updated my drivers and checked the temps, but nothing seems to fix this weird bottleneck.

 

[Audrey]

GPU usage drops to 0% during 4K rendering due to CPU bottlenecks, unsupported effects, disabled acceleration, overheating, driver issues, or slow storage, causing rendering tasks to shift away from the GPU.

 

[GaleGaytan]

I've heard of similar issues with the RTX 4090, it's possible that the power management settings in Windows 11 are causing the GPU to throttle. You might want to try disabling the power-saving features or setting the power plan to high performance, this can help stabilize the power delivery to your GPU. Additionally, you could try adjusting the GPU's power target in the NVIDIA control panel, increasing it might help prevent the throttling. Also, have you checked for any BIOS updates for your motherboard, sometimes a simple update can resolve these kinds of issues, it's worth a shot.