Written by Jakub Rusinowski · Last updated October 15, 2024
Yes, but it is tight
Yes, but it is tight — Nemotron 70B Instruct at Q4_K_M needs about 46.1 GB of the 48 GB usable on Mac Studio (M4 Max, 64 GB), leaving only ~1.9 GB before the runtime starts swapping. Expect ~6.7 tok/s (estimated), with room for about 8,192 tokens of context.
Confidence: medium · Recommended quantization: Q4_K_M · Estimated speed: ~6.7 tok/s
| Usable memory for models | 48 GB |
| Memory bandwidth | 546 GB/s |
| Form factor | Desktop |
| Operating system | macOS |
| Memory upgradeable | No — soldered |
| Quant | Memory needed | Fits 48 GB? | Max context | Est. speed | Download |
|---|---|---|---|---|---|
| F16 | 144.7 GB | ✗ No | — | — | 141.2 GB |
| Q8_0 | 78.5 GB | ✗ No | — | — | 75 GB |
| Q6_K | 61.4 GB | ✗ No | — | — | 57.9 GB |
| Q5_K_M | 53.5 GB | ✗ No | — | — | 50 GB |
| Q4_K_M | 46.1 GB | ✓ Yes | 8K | ~6.7 tok/s | 42.6 GB |
| Q3_K_M | 33.6 GB | ✓ Yes | 32K | ~9.3 tok/s | 30.1 GB |
| Q2_K | 26.7 GB | ✓ Yes | 64K | ~11.8 tok/s | 23.2 GB |
Ollama or LM Studio (Metal) — MLX for the fastest Apple-native throughput
Yes, but it is tight — Nemotron 70B Instruct at Q4_K_M needs about 46.1 GB of the 48 GB usable on Mac Studio (M4 Max, 64 GB), leaving only ~1.9 GB before the runtime starts swapping. Expect ~6.7 tok/s (estimated), with room for about 8,192 tokens of context.
Q4_K_M — it needs about 46.1 GB of the 48 GB available, downloads as roughly 42.6 GB, and runs at an estimated 6.7 tokens/sec with up to 8K of context.
Nothing binding — the model fits with headroom and generates at a usable speed on this hardware.
Ollama or LM Studio (Metal) — MLX for the fastest Apple-native throughput
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