can-i-run-this-llm

GPU comparison

MacBook Air M4 (24GB) vs NVIDIA RTX 5080 (16GB) 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 M4 (24GB)NVIDIA RTX 5080 (16GB)
Memory24.0 GB16.0 GB
Bandwidth120 GB/s960 GB/s
Price (approx)$1,399$1,399
LLMs it runs45 of 6445 of 64
Best model it runsQwen3.8 27B · 7–10 tok/sQwen3.8 27B · 54–82 tok/s

Both run the same number of models, but the MacBook Air M4 (24GB) has more memory (24.0 GB), so it can hold larger models at higher quality. The NVIDIA RTX 5080 (16GB) has more memory bandwidth (960 GB/s), so it generates tokens faster at the same model and quant.

What the MacBook Air M4 (24GB) runs →What the NVIDIA RTX 5080 (16GB) runs →Open the calculator →