Can I Run Qwen 2.5 Family on MacBook Pro 16" (M4 Max, 128 GB)?

Superseded model. Qwen 2.5 Family has been superseded by Qwen 3. This page is kept for reference; the newer family is a better starting point. View Qwen 3 →

Written by Jakub Rusinowski · Last updated November 12, 2024

Yes — comfortably

Yes, comfortably — Qwen 2.5 72B Instruct at Q5_K_M needs about 54.5 GB of the 96 GB usable on MacBook Pro 16" (M4 Max, 128 GB), leaving ~41.5 GB spare and running at ~5.6 tok/s (estimated), with room for about 131,072 tokens of context.

Confidence: high · Recommended quantization: Q5_K_M · Estimated speed: ~5.6 tok/s

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MacBook Pro 16" (M4 Max, 128 GB) — what it gives a model

Usable memory for models	96 GB
Memory bandwidth	546 GB/s
Form factor	Laptop
Operating system	macOS
Memory upgradeable	No — soldered

Qwen 2.5 Family on MacBook Pro 16" (M4 Max, 128 GB): memory by quantization

Quant	Memory needed	Fits 96 GB?	Max context	Est. speed	Download
F16	147.5 GB	✗ No	—	—	144 GB
Q8_0	80 GB	✓ Yes	32K	~3.8 tok/s	76.5 GB
Q6_K	62.5 GB	✓ Yes	64K	~4.9 tok/s	59 GB
Q5_K_M	54.5 GB	✓ Yes	128K	~5.6 tok/s	51 GB
Q4_K_M	47 GB	✓ Yes	128K	~6.5 tok/s	43.5 GB
Q3_K_M	34.2 GB	✓ Yes	128K	~9.1 tok/s	30.7 GB
Q2_K	27.2 GB	✓ Yes	128K	~11.6 tok/s	23.7 GB

Which Qwen 2.5 Family sizes fit

Variant	Needs at Q4_K_M	Fits?	Est. speed
Qwen 2.5 72B Instruct	47 GB	✓ Fits	~6.5 tok/s
Qwen 2.5 Coder 32B	22.3 GB	✓ Fits	~14.1 tok/s
Qwen 2.5 14B Instruct	10.9 GB	✓ Fits	~29.5 tok/s
Qwen 2.5 7B Instruct	5.9 GB	✓ Fits	~52.3 tok/s

What to watch out for

Memory on this machine is not upgradeable, so the configuration you buy is the ceiling for every model you will ever run on it.

MacBook Pro M4 Max 128 GB limitations

Unified memory is soldered — the 128 GB decision is permanent and cannot be upgraded later.
Sustained decode speed on battery is materially below the plugged-in figures quoted here.

Recommended setup

Ollama or LM Studio (Metal) — MLX for the fastest Apple-native throughput

How these numbers are calculated

Memory need = quantized weights + KV cache at 8,192 tokens (f16) + 0.8 GB runtime overhead.
128 GB unified memory at 546 GB/s, shared between CPU and GPU.
macOS reserves a share of unified memory for the system, so not all of it is available to a model.
Throughput is a memory-bandwidth roofline estimate, not a measurement. It is labelled "estimated" everywhere it appears.
KV cache is computed from this model's published attention configuration.

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