GPU comparison
MacBook Air/Pro M4 (16GB) vs MacBook Pro M4 Pro (48GB) 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 Air/Pro M4 (16GB) | MacBook Pro M4 Pro (48GB) | |
|---|---|---|
| Memory | 16.0 GB | 48.0 GB |
| Bandwidth | 120 GB/s | 273 GB/s |
| Price (approx) | $1,199 | $2,399 |
| LLMs it runs | 19 of 48 | 36 of 48 |
| Best model it runs | Devstral Small 2 24B · 8–12 tok/s | Gemma 4 31B · 11–16 tok/s |
The MacBook Pro M4 Pro (48GB) runs 17 more of the tracked models (36 vs 19), 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.