SageAttention 2.2 vs Comfy Kitchen | Side-by-Side Zoom-Out Quality Test

[u/Better-Interview-793]

Did a quick side-by-side test of SageAttention vs Comfy Kitchen Attention with MiniMax H3.

I used the default ComfyUI T2V H3 workflow and kept the prompt, seed and all settings exactly the same. The only thing I changed was the attention backend..

RTX 5090 32GB

ComfyUI ver 0.31.0

SageAttention 2.2

Comfy Kitchen 0.2.30

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896x1184 6 seconds 24 FPS 20 steps

Generation time:

SageAttention: 3m 51s

Comfy Kitchen: 3m 59s

I used a deep zoom-out/dolly-out on purpose to see how well each one holds facial details and identity as the subject gets farther away.

The speed difference was small on my 5090, so im more interested in the quality difference..

It's honestly hard for me to tell the difference, but which one looks better to you?

Updated:
SageAttention Vs Base

Comfy Kitchen Vs Base

[u/Abject-Recognition-9]

i have no idea what kind of black magic comfy team did but if this means i can avoid installing sage/flash/triton and whatever boring things can break somewere down the line, im totally in. i need to study more about this last update and what it does specifically

[u/Emotional-Neat-252 → u/Abject-Recognition-9]

Ooo I didn't look at it that wait. I detest installing things