AMD Instinct MI250X meets the minimum VRAM requirement for Q4 inference of swiss-ai/Apertus-8B-Instruct-2509. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
AMD Instinct MI250X can run swiss-ai/Apertus-8B-Instruct-2509 with Q4 quantization. At approximately 460 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 124GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 128GB | 459.82 tok/s | ✅ Fits comfortably |
| Q8 | 9GB | 128GB | 315.27 tok/s | ✅ Fits comfortably |
| FP16 | 17GB | 128GB | 167.29 tok/s | ✅ Fits comfortably |