AMD Instinct MI250X meets the minimum VRAM requirement for Q4 inference of Qwen/Qwen3-Coder-Next. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
AMD Instinct MI250X can run Qwen/Qwen3-Coder-Next with Q4 quantization. At approximately 97 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 83GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 45GB | 128GB | 96.52 tok/s | ✅ Fits comfortably |
| Q8 | 90GB | 128GB | 67.30 tok/s | ✅ Fits comfortably |
| FP16 | 179GB | 128GB | 33.28 tok/s | ❌ Not recommended |