ComfyUI Test: KitchenAttention is 20% Faster Than SageAttention for Video

lazyspock · reddit · 2026-08-12

A developer compared KitchenAttention and SageAttention in ComfyUI on an RTX 4070 12Gb setup.

Using identical prompts, seeds, and settings for text-to-video generation, KitchenAttention significantly outperformed SageAttention. It completed the task in 384.94 seconds (23.76 sec/iteration) compared to SageAttention's 455.84 seconds (28.49 sec/iteration), marking nearly a 20% speed improvement.

Related event: ComfyUI Attention Mechanisms Benchmark Comparison(2 posts)→

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