GPU comparison
Mac Studio M5 Ultra (96GB) vs NVIDIA RTX 4070 (12GB) for local LLMs
How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 64 tracked models each one can run.
| Mac Studio M5 Ultra (96GB) | NVIDIA RTX 4070 (12GB) | |
|---|---|---|
| Memory | 96.0 GB | 12.0 GB |
| Bandwidth | 1228 GB/s | 504 GB/s |
| Price (approx) | $5,499 | $549 |
| LLMs it runs | 55 of 64 | 27 of 64 |
| Best model it runs | Qwen3.8 27B · 14–21 tok/s | Devstral Small 2 24B · 35–53 tok/s |
The Mac Studio M5 Ultra (96GB) runs 28 more of the tracked models (55 vs 27), thanks to its 96.0 GB of memory. The Mac Studio M5 Ultra (96GB) has more memory bandwidth (1228 GB/s), so it generates tokens faster at the same model and quant.