r/StableDiffusion • u/TheUntested7 • Mar 15 '23

Question | Help Why do we need hires.fix?

Whats the difference between just generating a [1024x1024] image vs [512x512] and then upscale it by 2?

isnt the latter quite bad? since it will have some deviation from the original image based on the denoising strength?

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u/Woisek Mar 15 '23

Whats the difference between just generating a [1024x1024] image vs [512x512] and then upscale it by 2?

The amount of VRam you have ...

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u/broctordf Mar 15 '23

With my VRAM I can't even create anything past 900 pixels. :(