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 22 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 | 18 of 22 | 17 of 22 |
| Best model it runs | Gemma 4 31B · 13–20 tok/s | Gemma 4 31B · 15–23 tok/s |
The MacBook Pro M4 Max (128GB) runs 1 more of the tracked models (18 vs 17), thanks to its 128.0 GB of memory. The Mac Studio M2 Ultra (64GB) has more memory bandwidth (800 GB/s), so it generates tokens faster at the same model and quant.