Stable Diffusion XL 1.0 on NVIDIA GeForce RTX 5090
Yes — RTX 5090 runs Stable Diffusion XL 1.0 excellently at FP16. 32 GB VRAM with plenty of headroom.
Model Size
6.6B
Device VRAM
32 GB
Bandwidth
1792 GB/s
Quantization
FP16
Performance by Quantization
OwnRig currently has one published compatibility entry for Stable Diffusion XL 1.0 on NVIDIA GeForce RTX 5090 at FP16. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| FP16 | – | – | ✓ Yes | Excellent | estimated |
Notes
FP16
~2-3 seconds per 1024x1024 image. Massive headroom for LoRA stacking.
About Stable Diffusion XL 1.0
Stable Diffusion XL 1.0 (6.6B) is a image gen model. The standard for local image generation. 1024x1024 base resolution. Massive LoRA/checkpoint ecosystem. Runs well on 8GB+ VRAM. VRAM usage varies by resolution and batch size; 6.5GB is for single 1024x1024 generation.
View all Stable Diffusion XL 1.0 hardware options →About NVIDIA GeForce RTX 5090
NVIDIA GeForce RTX 5090 has 32 GB at 1792 GB/s. Street price: $2,199.
See all models NVIDIA GeForce RTX 5090 can run →Builds with NVIDIA GeForce RTX 5090
Estimate method: SD WebUI benchmarks. Reference hardware source: github.com (2026-03-01)
Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.