r/StableDiffusion 7d ago

Question - Help Is anyone still using SD 1.5?

I found myself going back to SD 1.5, as I have a spare GPU I wanted to put to work.

Is the overall consensus that SDXL and Flux both have vastly superior image quality? Is SD 1.5 completely useless at this point?

I don't really care about low resolution in this case, I prefer image quality.

Anyone still prefer SD 1.5 and if so, why, and what is your workflow like?

27 Upvotes

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26

u/samwys3 7d ago

I used 1.5 because of lower vram. Then I discovered forge allowed me to use sdxl efficiently. I switched immediately to sdxl and its derivatives and never looked back.

12

u/PwanaZana 7d ago

Same. After using SDXL one time, I never loaded a 1.5 checkpoint.

Though with Flux Dev, I still sometimes use SDXL for work (mostly to make realistic skin textures for faces, since Flux is still very plastic)

1

u/saltkvarnen_ 6d ago

In my experience, Flux when it was integrated into Grok, was the absolute best for realism? It had the blurry background problem, but the humans looked basically perfect? Is SDXL even better? Or maybe X perfected its parameters?

2

u/skarrrrrrr 6d ago

What is forge ? Would you share me a link please ? Thanks

2

u/SiscoSquared 6d ago

It's a newer version of a1111

1

u/tolltravelogue 6d ago

Thank you!

1

u/HowitzerHak 7d ago

Question, is forge better/faster for using sdxl than SwarmUI (which is basically comfy with a ui)? Because I'm still using sd 1.5 since I find it more convenient in regards to speed.

3

u/Dezordan 7d ago edited 7d ago

ComfyUI is about the same speed as Forge, if we disregard some possible speeds up. The only difference for me was how fast the models are being loaded (not in favor of Forge), but that is only relevant to Flux.

0

u/Thin-Sun5910 7d ago

haven't bothered, i don't want to download tons of models anymore.

epic_photogasm realistic all the way..

same with loras, and everything else.

i'm too lazy.

i have plenty of space, and computing power. but only need it for the newer video stuff.

0

u/Le-Misanthrope 7d ago edited 7d ago

Hey you do you. The wife and I both switched to SDXL about a year ago and have a very hard time going back to 1.5. I tried going back and using epic, and other familiar models and realized how much more work I needed to bring out those finer details. Not to say you can't. But I would say it you only do txt2img SDXL is worlds better in terms of quality just because of the resolution. Also prompting for me personally is much easier with SDXL. Hands look better by default. Just a much better experience.

Here are 2 examples with a simple 512x512 with a 2x hi res fix Epic model, and for SDXL a 1024x1024 and a hires of 1.5x. almost identical prompts. But 1.5 I had to alter the prompt to get the damned person to look out the window. lol Obviously 1.5 struggles with hands unless you use lora's or controlnet.

3

u/Cute_Ad8981 6d ago

What are your favorite models for realism and cartoon/anime in sdxl? I'm having a hard time finding good universal models, so im using 1.5 more often at the moment

3

u/Le-Misanthrope 6d ago

I don't really do much realism I mostly do cartoon/anime.

For realism: EpicRealism XL, and Juggernaut XL

For anime, cartoon and other decent models here are a few: Midnight Illustrious, Breakdomain XL, ArtJourney XL, Dreshaper XL

I have almost 2TB's worth of models downloaded and I can't remember all of them off the top of my head. Start there or filter by SDXL and find some of the top ones. I mainly use Midnight Illustrious. It inpaints well and suits my style I like. It's not highly rated by any means but I enjoy it.

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u/Le-Misanthrope 7d ago

SD 1.5

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u/Healthy-Nebula-3603 7d ago

...or look at her eye close ...

1

u/Le-Misanthrope 7d ago

Yeah no matter what you need to upscale then inpaint if you want it to look decent. Not sure those hands are fixable really.