GPU comparison
MacBook Pro M4 Max (128GB) vs AMD RX 7900 XTX (24GB) 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) | AMD RX 7900 XTX (24GB) | |
|---|---|---|
| Memory | 128.0 GB | 24.0 GB |
| Bandwidth | 546 GB/s | 960 GB/s |
| Price (approx) | $4,699 | $949 |
| LLMs it runs | 18 of 22 | 16 of 22 |
| Best model it runs | Gemma 4 31B · 13–20 tok/s | Gemma 4 31B · 32–48 tok/s |
The MacBook Pro M4 Max (128GB) runs 2 more of the tracked models (18 vs 16), thanks to its 128.0 GB of memory. The AMD RX 7900 XTX (24GB) has more memory bandwidth (960 GB/s), so it generates tokens faster at the same model and quant.