can-i-run-this-llm

GPU comparison

MacBook Air/Pro M5 (32GB) vs NVIDIA RTX 4070 (12GB) 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 (32GB)NVIDIA RTX 4070 (12GB)
Memory32.0 GB12.0 GB
Bandwidth153 GB/s504 GB/s
Price (approx)$1,499$549
LLMs it runs47 of 6427 of 64
Best model it runsQwen3.8 27B · 9–13 tok/sDevstral Small 2 24B · 35–53 tok/s

The MacBook Air/Pro M5 (32GB) runs 20 more of the tracked models (47 vs 27), thanks to its 32.0 GB of memory. The NVIDIA RTX 4070 (12GB) has more memory bandwidth (504 GB/s), so it generates tokens faster at the same model and quant.

What the MacBook Air/Pro M5 (32GB) runs →What the NVIDIA RTX 4070 (12GB) runs →Open the calculator →