Qwen Image 2.1 runs 30-40% slower on Windows than Linux, user reports
wacomlover · reddit · 2026-11-11
Reddit user wacomlover reports Qwen Image 2.1 image editing in ComfyUI runs 30-40% slower after moving from Linux to Windows 11 on the same RTX 4080 (55-60s per generation).
- Setup: 16GB VRAM, PyTorch 2.11.0+cu128, async weight offloading with 2 streams, 13GB pinned memory.
- The user can't retest on Linux and asks whether others see the same gap — useful signal for local image-model deployment.
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