GPU comparison
MacBook Pro M4 Max (128GB) vs Mac Studio M2 Ultra (64GB) for local LLMs
How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 18 tracked models each one can run.
| MacBook Pro M4 Max (128GB) | Mac Studio M2 Ultra (64GB) | |
|---|---|---|
| Memory | 128.0 GB | 64.0 GB |
| Bandwidth | 546 GB/s | 800 GB/s |
| Price (approx) | $4,699 | $3,999 |
| LLMs it runs | 16 of 18 | 16 of 18 |
| Best model it runs | Gemma 4 31B · 13–20 tok/s | Gemma 4 31B · 15–23 tok/s |
Both run the same number of models, but the MacBook Pro M4 Max (128GB) has more memory (128.0 GB), so it can hold larger models at higher quality. The Mac Studio M2 Ultra (64GB) has more memory bandwidth (800 GB/s), so it generates tokens faster at the same model and quant.