AMD Instinct MI250X meets the minimum VRAM requirement for Q4 inference of lmstudio-community/Qwen3-Coder-30B-A3B-Instruct-MLX-4bit. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
AMD Instinct MI250X can run lmstudio-community/Qwen3-Coder-30B-A3B-Instruct-MLX-4bit with Q4 quantization. At approximately 237 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 113GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 15GB | 128GB | 237.06 tok/s | ✅ Fits comfortably |
| Q8 | 31GB | 128GB | 191.19 tok/s | ✅ Fits comfortably |
| FP16 | 61GB | 128GB | 104.95 tok/s | ✅ Fits comfortably |