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SD 1.5 Classic

The original Stable Diffusion 1.5 workflow. Runs on GTX 1660 Ti (6GB). Massive LoRA ecosystem.

About this workflow

SD 1.5 is still alive and powerful. This workflow gives you access to the largest LoRA library in existence. DPM++ 2M Karras at 512px, tuned for the v1-5-pruned-emaonly checkpoint. Compatible with every SD 1.5 LoRA on CivitAI.

SD1.56GBGTX1660compatibleclassic

Required Model

v1-5-pruned-emaonly.ckpt

Place in: ComfyUI/models/checkpoints/

Benchmark (RTX 5080)

Gen Time

~4s on RTX 5080

Resolution

512×512

Hardware Profile

Settings adjust to your GPU tier

16GB Recommended — Specs

Resolution1024×1024

Steps25

CFG7

Samplerdpmpp_2m

Schedulerkarras

Flags--gpu-only

Full quality. Recommended tier for this workflow.

Export Package

✓ Real ComfyUI node graph JSON

✓ Hardware settings baked in

✓ Launch flags in metadata note

✓ Load directly in ComfyUI

// Hardware

Not sure your rig can handle this? Plan your upgrade on ComputeAtlas.

Hardware Estimator →