GPU comparison
MacBook Air/Pro M5 (24GB) vs NVIDIA RTX 5090 (32GB) for local LLMs
How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 34 tracked models each one can run.
| MacBook Air/Pro M5 (24GB) | NVIDIA RTX 5090 (32GB) | |
|---|---|---|
| Memory | 24.0 GB | 32.0 GB |
| Bandwidth | 153 GB/s | 1792 GB/s |
| Price (approx) | $1,299 | $4,399 |
| LLMs it runs | 21 of 34 | 25 of 34 |
| Best model it runs | Gemma 4 31B · 6–9 tok/s | Gemma 4 31B · 50–75 tok/s |
The NVIDIA RTX 5090 (32GB) runs 4 more of the tracked models (25 vs 21), thanks to its 32.0 GB of memory. The NVIDIA RTX 5090 (32GB) has more memory bandwidth (1792 GB/s), so it generates tokens faster at the same model and quant.