can-i-run-this-llm

GPU comparison

MacBook Air/Pro M5 (16GB) vs MacBook Pro M5 Pro (24GB) for local LLMs

How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 64 tracked models each one can run.

MacBook Air/Pro M5 (16GB)MacBook Pro M5 Pro (24GB)
Memory16.0 GB24.0 GB
Bandwidth153 GB/s307 GB/s
Price (approx)$1,099$2,199
LLMs it runs27 of 6445 of 64
Best model it runsDevstral Small 2 24B · 10–15 tok/sQwen3.8 27B · 14–21 tok/s

The MacBook Pro M5 Pro (24GB) runs 18 more of the tracked models (45 vs 27), thanks to its 24.0 GB of memory. The MacBook Pro M5 Pro (24GB) has more memory bandwidth (307 GB/s), so it generates tokens faster at the same model and quant.

What the MacBook Air/Pro M5 (16GB) runs →What the MacBook Pro M5 Pro (24GB) runs →Open the calculator →