NVIDIA H100 SXM5 80GB meets the minimum VRAM requirement for Q4 inference of microsoft/Phi-3.5-mini-instruct. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
NVIDIA H100 SXM5 80GB can run microsoft/Phi-3.5-mini-instruct with Q4 quantization. At approximately 515 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 78GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 2GB | 80GB | 514.72 tok/s | ✅ Fits comfortably |
| Q8 | 4GB | 80GB | 370.86 tok/s | ✅ Fits comfortably |
| FP16 | 8GB | 80GB | 178.28 tok/s | ✅ Fits comfortably |