# Can I run Stable Diffusion 1.5 on AMD Radeon RX 7900 XTX (24GB)?

Updated: 2026-06-15

**Yes, it runs.** Runs at fp16 using ~3.7 GB of ~23 GB usable.

- Model: 860M UNET image model, peak ~3.7 GB VRAM at fp16
- Device: 24 GB vram, ~23 GB usable
- All components resident (no offload): ~4 GB
- Offload floor (slow): ~2 GB
- Tools: AUTOMATIC1111, ComfyUI, Draw Things, diffusers
- License: CreativeML OpenRAIL-M (commercial use: yes)

Sources: https://huggingface.co/stable-diffusion-v1-5/stable-diffusion-v1-5, https://github.com/AUTOMATIC1111/stable-diffusion-webui/wiki/Optimizations, https://huggingface.co/Comfy-Org/stable-diffusion-v1-5-archive/blob/main/v1-5-pruned-emaonly-fp16.safetensors.

More: https://localmodel.run/can-i-run/stable-diffusion-1-5/amd-rx-7900-xtx-24gb