Crash when resolution is higher than 640p

[DotNetPol]

Custom Node Testing

• [x] I have tried disabling custom nodes and the issue persists (see how to disable custom nodes if you need help)

Expected Behavior

Generating a video at a higher resolution than 640p.

Actual Behavior

ComfyUI will always silently crashes after the video sampler node when the video resolution is set higher than 640p without any errors in the logs or in the UI. This happens on any video workflow.

Steps to Reproduce

Try to generate a video with a resulotion higher than 640p.

Debug Logs

No errors are present in the logs produced by the UI, python or event viewer.

Other

I am running Windows 11 with 64GB ram in total, terabytes of storage and an MSI branded Geforce RTX 5080 with 32GB of vram. Wich I thought would be enough?

[Vijay2359]

whats then percentage of uasge of ram and gpu while running the workflow ??