MacBook Pro M1 Max 32GB vs MacBook Pro M4 Max 128GB for Local LLMs

The MacBook Pro M4 Max 128GB has about 36% more memory bandwidth (546 vs 400 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 36% faster on the MacBook Pro M4 Max 128GB. The MacBook Pro M4 Max 128GB fits more of the catalog at Q4/8K — 53 vs 39 of 69 models (128 vs 32 GB VRAM). Largest model that fits the MacBook Pro M4 Max 128GB but not the MacBook Pro M1 Max 32GB: Step-3.5-Flash (196.8B). MSRP is $3,299 for the MacBook Pro M1 Max 32GB vs $4,399 for the MacBook Pro M4 Max 128GB. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. In the Q4/8K head-to-head below (53 shared models), the MacBook Pro M4 Max 128GB posts the higher tok/s in 51 rows vs 2. Methodology.

Spec comparison

	MacBook Pro M1 Max 32GB	MacBook Pro M4 Max 128GB
Vendor	Apple	Apple
VRAM	32 GB	128 GB
Memory type	LPDDR5	LPDDR5X
Memory bandwidth	400 GB/s	546 GB/s
TDP	120 W	160 W
MSRP (list)	$3,299	$4,399
Buy	Search Amazon (affiliate)	Search Amazon (affiliate)

MSRP is the launch list price, not live retail. Buy links are Amazon affiliate links — the price after you click is the live price.

Q4 / 8K head-to-head — top 15 of 53 shared models

Model	Params (B)	MacBook Pro M1 Max 32GB tok/s	MacBook Pro M1 Max 32GB fits	MacBook Pro M4 Max 128GB tok/s	MacBook Pro M4 Max 128GB fits	Winner
MiniCPM5-1B	1.08	235.7 est.	Yes	321.7 est.	Yes	MacBook Pro M4 Max 128GB
Qwen3.5-2B	2.0	127.3 est.	Yes	173.7 est.	Yes	MacBook Pro M4 Max 128GB
DeepSeek-R1-0528-Qwen3-8B-layer-mix-bpw-3.8-mlx	2.3	110.7 est.	Yes	151.1 est.	Yes	MacBook Pro M4 Max 128GB
Qwen3-Coder-Next	79.7	122.9 est.	No	115.8 est.	Yes	MacBook Pro M1 Max 32GB
Qwen3-Next-80B-A3B-Instruct	81.3	118.2 est.	No	115.8 est.	Yes	MacBook Pro M1 Max 32GB
Qwen3.6-35B-A3B	36.0	84.8 est.	Yes	115.8 est.	Yes	MacBook Pro M4 Max 128GB
Qwen3.5-35B-A3B	34.7	84.8 est.	Yes	115.8 est.	Yes	MacBook Pro M4 Max 128GB
GLM-4.7-Flash	31.2	84.8 est.	Yes	115.8 est.	Yes	MacBook Pro M4 Max 128GB
Qwen3-30B-A3B-Instruct-2507	30.5	84.8 est.	Yes	115.8 est.	Yes	MacBook Pro M4 Max 128GB
Nemotron-3-Nano-Omni-30B-A3B-Reasoning-BF16	30.0	84.8 est.	Yes	115.8 est.	Yes	MacBook Pro M4 Max 128GB
Ornith-1.0-35B	35.0	84.8 est.	Yes	115.8 est.	Yes	MacBook Pro M4 Max 128GB
qwen35b-a3b-fable-sft-abliterated	34.7	84.8 est.	Yes	115.8 est.	Yes	MacBook Pro M4 Max 128GB
Llama-3.2-3B-Instruct	3.2	79.5 est.	Yes	108.6 est.	Yes	MacBook Pro M4 Max 128GB
gpt-oss-20b	21.5	70.7 est.	Yes	96.5 est.	Yes	MacBook Pro M4 Max 128GB
gemma-4-26B-A4B-it	25.2	67.0 est.	Yes	91.4 est.	Yes	MacBook Pro M4 Max 128GB

est. = bandwidth-based estimate; measured = curated real benchmark that overrides the estimate. Fits = weights + KV(8K) + 1 GB overhead ≤ 95% of VRAM.

Fit coverage at Q4 / 8K

	MacBook Pro M1 Max 32GB	MacBook Pro M4 Max 128GB
Catalog models that fit	39 of 69	53 of 69
Largest exclusive fit	—	Step-3.5-Flash (196.8B)

MacBook Pro M1 Max 32GB details → · MacBook Pro M4 Max 128GB details →