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Qwen-Image 2.1 on 16 GB of VRAM, quantized to NF4: a real benchmark against FLUX

This story is from 2026-10-10. It is preserved in the archive; the latest stories are on the live feed.

On a 16 GB RTX 4070 Ti SUPER, Qwen-Image-2.1-Turbo does not fit in bf16 (the pipeline is 32.5 GB). Quantized to NF4 with bitsandbytes it does, and I ran it against the FLUX.1-dev Q6_K + pixel-art LoRA that made my blog covers: same prompts, same seeds, same card, every image checked by eye. What I…

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  1. 2026-10-10 18:08 · DEV Community — Machine Learning
    Qwen-Image 2.1 on 16 GB of VRAM, quantized to NF4: a real benchmark against FLUX

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