Apple M2 Ultra meets the minimum VRAM requirement for Q4 inference of ibm-granite/granite-3.3-8b-instruct. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
Apple M2 Ultra can run ibm-granite/granite-3.3-8b-instruct with Q4 quantization. At approximately 97 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 188GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 192GB | 96.99 tok/s | ✅ Fits comfortably |
| Q8 | 9GB | 192GB | 81.81 tok/s | ✅ Fits comfortably |
| FP16 | 17GB | 192GB | 39.69 tok/s | ✅ Fits comfortably |