GPU comparison
MacBook Pro M4 Pro (48GB) vs MacBook Air/Pro M5 (32GB) for local LLMs
How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 48 tracked models each one can run.
| MacBook Pro M4 Pro (48GB) | MacBook Air/Pro M5 (32GB) | |
|---|---|---|
| Memory | 48.0 GB | 32.0 GB |
| Bandwidth | 273 GB/s | 153 GB/s |
| Price (approx) | $2,399 | $1,499 |
| LLMs it runs | 36 of 48 | 34 of 48 |
| Best model it runs | Gemma 4 31B · 11–16 tok/s | Gemma 4 31B · 6–9 tok/s |
The MacBook Pro M4 Pro (48GB) runs 2 more of the tracked models (36 vs 34), thanks to its 48.0 GB of memory. The MacBook Pro M4 Pro (48GB) has more memory bandwidth (273 GB/s), so it generates tokens faster at the same model and quant.