Can the Apple M4 Max (64GB) run Mixtral 8x7B?

Apple M4 Max (64GB) × Mixtral 8x7B8K context
YesRuns fully on the GPU
Memory at Q6_K40 GB of 48 GB
Weights 38.3 GBKV cache 1.1 GBRuntime 0.6 GB
QuantQ6_KExcellent
Speed~31tokens per second
Max context32Kthe model's full window
  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 M4 Max (64GB) can run Mixtral 8x7B fully in unified memory at Q6_K (excellent), using about 40 GB of the 48 GB available, at roughly 31 tokens/second.

Run it with Ollama

With Ollama installed, one command downloads and starts Mixtral 8x7B:

ollama run mixtral:8x7b

Ollama's default download is Q4_K_M (about 30 GB here). You have room for Q6_K, which is excellent: pick that GGUF in LM Studio or from Hugging Face.

New to this? Step-by-step setup for the Apple M4 Max (64GB)

Run it in the cloud

No Apple M4 Max (64GB)? Run Mixtral 8x7B in the cloud.

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

Memory needed by quantization

At 8,192 tokens of context. The black line marks the 48 GB the Apple M4 Max (64GB) can use. macOS lets the GPU use about 48 GB of the 64 GB unified memory by default.

QuantQualityMemoryFits?Speed
FP16Full quality95.1 GBToo big—
Q8_0Near-lossless51.3 GBToo big—
Q6_KExcellent40 GBFits~31 tok/s
Q5_K_MVery good34.9 GBFits~36 tok/s
Q4_K_MGood, most popular30 GBFits~42 tok/s
Q3_K_MNoticeably degraded24.5 GBFits~52 tok/s
Q2_KHeavily degraded19.2 GBFits~68 tok/s

Measured speed from real Apple M4 Max (64GB) owners

Tokens per second that people measured on their own Apple M4 Max (64GB), next to our estimate.

No one has measured Mixtral 8x7B on the Apple M4 Max (64GB) yet. The speeds above are estimates. Run the benchmark and yours becomes the first real number on this page.

Have an Apple M4 Max (64GB)? Add your real speed

One command times Mixtral 8x7B 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 -- mixtral:8x7b

Windows (PowerShell)

$env:GPUFIT_MODEL="mixtral:8x7b"; irm https://gpufit.dev/bench.ps1 | iex

How the benchmark works

Frequently asked questions

Can Apple M4 Max (64GB) run Mixtral 8x7B?

Yes. The Apple M4 Max (64GB) can run Mixtral 8x7B fully in unified memory at Q6_K (excellent), using about 40 GB of the 48 GB available, at roughly 31 tokens/second.

How much VRAM does Mixtral 8x7B need?

About 30 GB at Q4_K_M with 8,192 tokens of context, and about 95.1 GB at full FP16 precision.

How fast is Mixtral 8x7B on the Apple M4 Max (64GB)?

Roughly 31 tokens per second at Q6_K, estimated from the Apple M4 Max (64GB)'s 546 GB/s memory bandwidth.