Apple M3 Max meets the minimum VRAM requirement for Q4 inference of microsoft/phi-4. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
Apple M3 Max can run microsoft/phi-4 with Q4 quantization. At approximately 51 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 124GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 128GB | 51.43 tok/s | ✅ Fits comfortably |
| Q8 | 7GB | 128GB | 38.76 tok/s | ✅ Fits comfortably |
| FP16 | 15GB | 128GB | 20.63 tok/s | ✅ Fits comfortably |