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Can the Apple M1 Max (64GB) run Llama 3.1 70B?

Apple M1 Max (64GB) × Llama 3.1 70B8K context
YesRuns fully on the GPU
Memory at Q4_K_M46.1 GB of 48 GB
Weights 42.8 GBKV cache 2.7 GBRuntime 0.6 GB
QuantQ4_K_MGood, most popular
Speed~6tokens per second
Max context12Ktokens that fit at Q4_K_M
  1. FP16
  2. Q8_0
  3. Q6_K
  4. Q5_K_M
  5. Q4_K_M
  6. Q3_K_M
  7. Q2_K

Yes. The Apple M1 Max (64GB) can run Llama 3.1 70B fully in unified memory at Q4_K_M (good, most popular), using about 46.1 GB of the 48 GB available, at roughly 6 tokens/second.

Try other context lengths

Run it with Ollama

With Ollama installed, one command downloads and starts Llama 3.1 70B:

ollama run llama3.1:70b

Ollama's default download is Q4_K_M (about 46.1 GB here). That is also the best quant that fits.

New to this? Step-by-step setup for the Apple M1 Max (64GB)

Run it in the cloud

No Apple M1 Max (64GB)? Run Llama 3.1 70B in the cloud.

Rent a cloud GPU by the hour. No upfront cost, stop any time.

Rent a GPU on RunPodRent a GPU on Vast.ai

Memory needed by quantization

At 8,192 tokens of context. The black line marks the 48 GB the Apple M1 Max (64GB) can use. macOS lets the GPU use about 48 GB of the 64 GB unified memory by default.

QuantQualityMemoryFits?Speed
FP16Full quality144.5 GBToo big—
Q8_0Near-lossless78.3 GBToo big—
Q6_KExcellent61.2 GBToo big—
Q5_K_MVery good53.5 GBToo big—
Q4_K_MGood, most popular46.1 GBFits~6 tok/s
Q3_K_MNoticeably degraded37.8 GBFits~7 tok/s
Q2_KHeavily degraded29.8 GBFits~9 tok/s

Measured speed from real Apple M1 Max (64GB) owners

Tokens per second that people measured on their own Apple M1 Max (64GB), next to our estimate.

No one has measured Llama 3.1 70B on the Apple M1 Max (64GB) yet. The speeds above are estimates. Run the benchmark and yours becomes the first real number on this page.

Have an Apple M1 Max (64GB)? Add your real speed

One command times Llama 3.1 70B in your own Ollama, shows you exactly what it would send, and asks before sending anything. No sign-up, no personal data.

macOS and Linux

curl -fsSL https://gpufit.dev/bench.sh | sh -s -- llama3.1:70b

Windows (PowerShell)

$env:GPUFIT_MODEL="llama3.1:70b"; irm https://gpufit.dev/bench.ps1 | iex

How the benchmark works

GPUs that run Llama 3.1 70B comfortably

Models that run well on the Apple M1 Max (64GB)

Frequently asked questions

Can Apple M1 Max (64GB) run Llama 3.1 70B?

Yes. The Apple M1 Max (64GB) can run Llama 3.1 70B fully in unified memory at Q4_K_M (good, most popular), using about 46.1 GB of the 48 GB available, at roughly 6 tokens/second.

How much VRAM does Llama 3.1 70B need?

About 46.1 GB at Q4_K_M with 8,192 tokens of context, and about 144.5 GB at full FP16 precision.

How fast is Llama 3.1 70B on the Apple M1 Max (64GB)?

Roughly 6 tokens per second at Q4_K_M, estimated from the Apple M1 Max (64GB)'s 400 GB/s memory bandwidth.