FP8 Model: https://huggingface.co/Kijai/HunyuanVideo_comfy/tree/main
ComfyUI nodes (updated wrapper): https://github.com/kijai/ComfyUI-HunyuanVideoWrapper
Example ComfyUI workflow: https://github.com/kijai/ComfyUI-HunyuanVideoWrapper/blob/main/example_workflows/hyvideo_i2v_example_01.json
Discord Server: https://discord.com/invite/7tsKMCbNFC
It looks like you need a minimum of 8GB of VRAM for lower resolutions.
Thank you. I just found this additional info on huggingface: