SeedVR2 ConvRot INT8/NVFP4 Upscaler with Z Image ConvRot INT8/ConvRot NVFP4 & TensorRT Decorder

09.09.2026, updated to fix TensorRT Decorder for SEEDVR2 .

Productted a json for ComfyUI after a long time.

1st step SeedVR2 with torch.compile

2nd step Zimage

When using Z Image, I recommend f8e4m3 over Nunchaku.

HSWQ quantisation technology enables the creation of higher-precision ConvRot INT8 / ConvRot NVFP4.

SeedVR2 ConvRot INT8 / NVFP4