AMD Instinct MI250X meets the minimum VRAM requirement for Q4 inference of Qwen/Qwen2-1.5B-Instruct. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
AMD Instinct MI250X can run Qwen/Qwen2-1.5B-Instruct with Q4 quantization. At approximately 481 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 125GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 3GB | 128GB | 480.93 tok/s | ✅ Fits comfortably |
| Q8 | 5GB | 128GB | 344.11 tok/s | ✅ Fits comfortably |
| FP16 | 11GB | 128GB | 186.08 tok/s | ✅ Fits comfortably |