can-i-run-this-llm

GPU comparison

MacBook Air/Pro M5 (32GB) vs NVIDIA RTX 5090 (32GB) 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 M5 (32GB)NVIDIA RTX 5090 (32GB)
Memory32.0 GB32.0 GB
Bandwidth153 GB/s1792 GB/s
Price (approx)$1,499$4,399
LLMs it runs25 of 3425 of 34
Best model it runsGemma 4 31B · 6–9 tok/sGemma 4 31B · 50–75 tok/s

The MacBook Air/Pro M5 (32GB) and NVIDIA RTX 5090 (32GB) run the same set of tracked models; pick on price and ecosystem. The NVIDIA RTX 5090 (32GB) has more memory bandwidth (1792 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 5090 (32GB) runs →Open the calculator →