Stability AI
Stable Diffusion XL
Higher resolution (1024x1024) image generation. Better detail and prompt following than SD 1.5.
3.5B parametersunet-diffusionopenrail++8GB - 12GB VRAM
Check Your Hardware
See which quantizations of Stable Diffusion XL your hardware can run.
Quantization Options
| Quantization | Bits | File Size | VRAM Needed | RAM Needed | Quality |
|---|---|---|---|---|---|
| FP16 | 16 | 6.5 GB | 8 GB | 12 GB | 100% |
| FP16+Refiner | 16 | 12 GB | 12 GB | 16 GB | 100% |
Frequently Asked Questions
How much VRAM do I need to run Stable Diffusion XL?
Stable Diffusion XL requires 8GB VRAM minimum with FP16 quantization. For full precision, you need 12GB VRAM.
What is the best quantization for Stable Diffusion XL?
Q4_K_M offers the best balance of quality and VRAM usage. Q8_0 is near-lossless if you have enough VRAM.