BFLFLUX.1 Dev on AMD Radeon RX 7900 XTX
Yes — AMD Radeon RX 7900 XTX handles FLUX.1 Dev well at Q8_0. Solid daily-driver performance on 24 GB VRAM.
Model Size
12B
Device VRAM
24 GB
Bandwidth
960 GB/s
Quantization
Q8_0
Performance by Quantization
OwnRig currently has one published compatibility entry for FLUX.1 Dev on AMD Radeon RX 7900 XTX at Q8_0. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q8_0 | – | – | ✓ Yes | Good | estimated |
Notes
Q8_0
ROCm can run large models well on RDNA 3, though CUDA equivalents still have broader tooling support. Q8_0 fits in VRAM on this card.
About FLUX.1 Dev
FLUX.1 Dev (12B) is a image gen model. State-of-the-art image generation. Significantly better prompt adherence and image quality than SDXL. 12B parameter transformer model (not diffusion UNet). FP16 requires 24GB VRAM, but Q4 quantization brings it to 8GB GPUs. Non-commercial license.
View all FLUX.1 Dev hardware options →About AMD Radeon RX 7900 XTX
AMD Radeon RX 7900 XTX has 24 GB at 960 GB/s. Street price: $849.
See all models AMD Radeon RX 7900 XTX can run →Builds with AMD Radeon RX 7900 XTX
Estimate method: Estimated from rtx-4090 compatibility patterns plus ROCm/Vulkan adjustments. Reference hardware source: github.com (2026-03-26)
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.