can-i-run-this-llm

GPU comparison

MacBook Air/Pro M4 (16GB) vs MacBook Pro M5 Max (128GB) for local LLMs

How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 34 tracked models each one can run.

MacBook Air/Pro M4 (16GB)MacBook Pro M5 Max (128GB)
Memory16.0 GB128.0 GB
Bandwidth120 GB/s614 GB/s
Price (approx)$1,199$5,099
LLMs it runs13 of 3430 of 34
Best model it runsDevstral Small 2 24B · 8–12 tok/sGemma 4 31B · 14–22 tok/s

The MacBook Pro M5 Max (128GB) runs 17 more of the tracked models (30 vs 13), thanks to its 128.0 GB of memory. The MacBook Pro M5 Max (128GB) has more memory bandwidth (614 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 M5 Max (128GB) runs →Open the calculator →