Can I Run Nemotron 70B on Apple M3 Max?
Autor: Jakub Rusinowski · Ostatnia aktualizacja: 29 września 2026
Yes, comfortably — Nemotron 70B Instruct at Q4_K_M needs 46.1 GB at 8K context (42.6 GB weights + 3.5 GB KV cache/overhead), leaving ~49.9 GB of the Apple M3 Max's 96 GB usable memory, at ~5 tok/s (est.), with room for up to 64K context.
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Apple M3 Max Specs
| VRAM | 128 GB unified memory |
| Memory Bandwidth | 400 GB/s |
Nemotron 70B Instruct on the Apple M3 Max: VRAM by quantization
| Quant | VRAM needed | Fits 128 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 144.7 GB | ✗ No | — | — |
| Q8_0 | 78.5 GB | ✓ Yes | 32K | — |
| Q6_K | 61.4 GB | ✓ Yes | 64K | — |
| Q5_K_M | 53.5 GB | ✓ Yes | 64K | — |
| Q4_K_M | 46.1 GB | ✓ Yes | 64K | — |
| Q3_K_M | 33.6 GB | ✓ Yes | 64K | — |
| Q2_K | 26.7 GB | ✓ Yes | 64K | — |
Assumes an 8K-token context with an f16 KV cache. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 128 GB of unified memory. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4_K_M on the Apple M3 Max: 8K 46.1 GB · 32K 54.2 GB · 125K 85.4 GB. Every window this model publishes still fits 128 GB.
No compatible GPU? Nemotron 70B Instruct on 256 GB of system RAM, CPU only: runs, but too slowly to be worth it.
Nemotron 70B Sizes That Fit the Apple M3 Max (at 8K context)
| Nemotron 70B Instruct | Q4_K_M · 46.1 GB at 8K context · ~5 tok/s (est.) |
Nemotron 70B needs ~46 GB but this GPU has 128 GB. Rent a A100 (80 GB)-class GPU by the hour instead of buying one:
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
FAQ
Can I run Nemotron 70B on the Apple M3 Max?
Yes, comfortably — Nemotron 70B Instruct at Q4_K_M needs 46.1 GB at 8K context (42.6 GB weights + 3.5 GB KV cache/overhead), leaving ~49.9 GB of the Apple M3 Max's 96 GB usable memory, at ~5 tok/s (est.), with room for up to 64K context.
What's the best Nemotron 70B size for the Apple M3 Max?
Nemotron 70B Instruct at Q4_K_M quantization needs 46.1 GB at 8K context (42.6 GB weights + 3.5 GB KV cache/overhead), estimated ~5 tokens/sec, up to 64K context.
Nemotron 70B on Other GPUs
Popular Models on the Apple M3 Max
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