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GPU comparison

MacBook Air/Pro M4 (16GB) vs MacBook Pro M4 Max (128GB) for local LLMs

How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 48 tracked models each one can run.

MacBook Air/Pro M4 (16GB)MacBook Pro M4 Max (128GB)
Memory16.0 GB128.0 GB
Bandwidth120 GB/s546 GB/s
Price (approx)$1,199$4,699
LLMs it runs19 of 4841 of 48
Best model it runsDevstral Small 2 24B · 8–12 tok/sGemma 4 31B · 13–19 tok/s

The MacBook Pro M4 Max (128GB) runs 22 more of the tracked models (41 vs 19), thanks to its 128.0 GB of memory. The MacBook Pro M4 Max (128GB) has more memory bandwidth (546 GB/s), so it generates tokens faster at the same model and quant.

What the MacBook Air/Pro M4 (16GB) runs →What the MacBook Pro M4 Max (128GB) runs →Open the calculator →