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Z Image HSWQ Hybrid ConvRot NVFP4

This story is from 2026-08-19. It is preserved in the archive; the latest stories are on the live feed.

The quantisation method and the loader are now more or less complete. How to create Hybrid NVFP4 from ConvRot INT8 (Z Image, Reverse Method) Z Image exhibits overwhelmingly high quantisation robustness compared to SDXL and Krea2. Even NVFP4, which is simply compressed without HSWQ quantisation, ach…

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  1. 2026-08-19 17:30 · r/comfyui
    Z Image HSWQ Hybrid ConvRot NVFP4

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