Apple M4 Pro 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 Pro can run parler-tts/parler-tts-large-v1 with Q4 quantization. At approximately 39 tokens/second, you can expect Moderate speed - useful for batch processing.
You have 60GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 64GB | 39.24 tok/s | ✅ Fits comfortably |
| Q8 | 7GB | 64GB | 27.52 tok/s | ✅ Fits comfortably |
| FP16 | 15GB | 64GB | 14.73 tok/s | ✅ Fits comfortably |