Can the Apple M4 Max (128GB) run Llama 3.1 70B?
Yes
QuantQ8_0Near-lossless
Memory78.3 GBof 96 GB
Speed~4tokens/s
Yes. The Apple M4 Max (128GB) can run Llama 3.1 70B fully in unified memory at Q8_0 (near-lossless), using about 78.3 GB of the 96 GB available, at roughly 4 tokens/second.
Try other context lengths in the calculator →Memory needed by quantization
At 8,192 tokens of context. macOS lets the GPU use about 96 GB of the 128 GB unified memory by default.
| Quant | Quality | Memory | Fits? | Speed |
|---|---|---|---|---|
| FP16 | Full quality | 144.5 GB | Too big | — |
| Q8_0 | Near-lossless | 78.3 GB | Fits | ~4 tok/s |
| Q6_K | Excellent | 61.2 GB | Fits | ~6 tok/s |
| Q5_K_M | Very good | 53.5 GB | Fits | ~7 tok/s |
| Q4_K_M | Good, most popular | 46.1 GB | Fits | ~8 tok/s |
| Q3_K_M | Noticeably degraded | 37.8 GB | Fits | ~9 tok/s |
| Q2_K | Heavily degraded | 29.8 GB | Fits | ~12 tok/s |
GPUs that run Llama 3.1 70B comfortably
Models that run well on the Apple M4 Max (128GB)
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