RX 9070 XT meets the minimum VRAM requirement for Q4 inference of Qwen/Qwen3-4B. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RX 9070 XT can run Qwen/Qwen3-4B with Q4 quantization. At approximately 90 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 14GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 2GB | 16GB | 89.89 tok/s | ✅ Fits comfortably |
| Q8 | 4GB | 16GB | 74.14 tok/s | ✅ Fits comfortably |
| FP16 | 9GB | 16GB | 39.35 tok/s | ✅ Fits comfortably |