AMD Instinct MI210 meets the minimum VRAM requirement for Q4 inference of WeiboAI/VibeThinker-1.5B. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
AMD Instinct MI210 can run WeiboAI/VibeThinker-1.5B with Q4 quantization. At approximately 305 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 63GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 1GB | 64GB | 305.33 tok/s | ✅ Fits comfortably |
| Q8 | 2GB | 64GB | 201.79 tok/s | ✅ Fits comfortably |
| FP16 | 4GB | 64GB | 112.07 tok/s | ✅ Fits comfortably |