Stable Diffusion · Stability AI Community License
Stability AI's SD3 medium model for high-quality image generation.
Stable Diffusion 3 Medium (2B) requires 5 GB VRAM at recommended quality (FP16). For the best experience, Starter AI Desktop ($582) is recommended.
— OwnRig methodology, data updated 2026-03-15
| Quality | Quantization | VRAM | File Size |
|---|---|---|---|
| full | FP16 | 5 GB | 4 GB |
Performance data for Stable Diffusion 3 Medium across different hardware.
| Device | Quantization | Speed | Rating | Fits in VRAM |
|---|---|---|---|---|
| NVIDIA GeForce RTX 4060 Ti 16GB | FP16 | — | Acceptable | ✓ |
| NVIDIA GeForce RTX 4090 | FP16 | — | Excellent | ✓ |
| NVIDIA GeForce RTX 5090 | FP16 | — | Excellent | ✓ |
| NVIDIA GeForce RTX 4060 8GB | FP16 | — | Good | ✓ |
| NVIDIA GeForce RTX 4070 Ti 12GB | FP16 | — | Excellent | ✓ |
| NVIDIA GeForce RTX 3080 10GB | FP16 | — | Excellent | ✓ |
| Apple M3 Pro (18GB Unified) | FP16 | — | Good | ✓ |
Complete PC builds that can run Stable Diffusion 3 Medium.
Data confidence: estimated. Last updated: 2026-03-15. Source