GPU comparison
MacBook Air/Pro M4 (16GB) vs Mac Studio M2 Ultra (192GB) 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 Air/Pro M4 (16GB) | Mac Studio M2 Ultra (192GB) | |
|---|---|---|
| Memory | 16.0 GB | 192.0 GB |
| Bandwidth | 120 GB/s | 800 GB/s |
| Price (approx) | $1,199 | $5,599 |
| LLMs it runs | 10 of 22 | 20 of 22 |
| Best model it runs | GLM-4.7 Flash (MoE) · 43–64 tok/s | Hunyuan Hy3 (MoE) · 48–71 tok/s |
The Mac Studio M2 Ultra (192GB) runs 10 more of the tracked models (20 vs 10), thanks to its 192.0 GB of memory. The Mac Studio M2 Ultra (192GB) has more memory bandwidth (800 GB/s), so it generates tokens faster at the same model and quant.