Apple M4 Max meets the minimum VRAM requirement for Q4 inference of openai-community/gpt2-xl. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
Apple M4 Max can run openai-community/gpt2-xl with Q4 quantization. At approximately 75 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 | 75.40 tok/s | ✅ Fits comfortably |
| Q8 | 7GB | 128GB | 47.19 tok/s | ✅ Fits comfortably |
| FP16 | 15GB | 128GB | 28.72 tok/s | ✅ Fits comfortably |