Depends on the diffuser you're using, the _a (ancestral) diffusers are aberrant in that they can yield good results with very low sample counts. I typically use

Depends on the diffuser you're using, the _a (ancestral) diffusers are aberrant in that they can yield good results with very low sample counts. I typically use 16 samples and get reasonably good results, but it's highly dependent on the prompt and settings as well.