Apple M2 Ultra meets the minimum VRAM requirement for Q4 inference of Qwen/Qwen2.5-14B-Instruct. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
Apple M2 Ultra can run Qwen/Qwen2.5-14B-Instruct with Q4 quantization. At approximately 81 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 185GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 7GB | 192GB | 80.67 tok/s | ✅ Fits comfortably |
| Q8 | 14GB | 192GB | 56.95 tok/s | ✅ Fits comfortably |
| FP16 | 29GB | 192GB | 29.07 tok/s | ✅ Fits comfortably |