Apple M4 Max meets the minimum VRAM requirement for Q4 inference of parler-tts/parler-tts-large-v1. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
Apple M4 Max can run parler-tts/parler-tts-large-v1 with Q4 quantization. At approximately 67 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 | 67.48 tok/s | ✅ Fits comfortably |
| Q8 | 7GB | 128GB | 53.25 tok/s | ✅ Fits comfortably |
| FP16 | 15GB | 128GB | 29.77 tok/s | ✅ Fits comfortably |