Flux.3 klein vs Qwen Image 2.1 turbo on RTX 4070: 10s vs 3s per 1MP edit
Ant_6431 · reddit · 2026-10-16
A Redditor benchmarked Flux.3 klein (distilled) against Qwen Image 2.1 (turbo) for basic image editing on an RTX 4070, with nine shared prompts and side-by-side results.
- Speed at 1MP: Flux.3 klein takes 10s (euler, 16 steps); Qwen Image 2.1 turbo takes 3s (euler, 8 steps)
- Both run int8 convrot quantized weights; Flux.3 klein pairs with a qwen3vl4b text encoder, Qwen with qwen3vl8b
- Test prompts cover adding objects, re-posing, lighting swaps (blue hour, backlit silhouette), manga conversion, expression/outfit sheets, and boxed-figure rendering — all published for reproduction
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