Can I run this LLM?
Can a Mac Studio M3 Ultra (512GB) run Gemma 3 27B?
Gemma · Gemma · estimated for a 512.0 GB machine at 4K context.
Yes — it runs great.
Best fit: Gemma 3 27B at Q8_0 · 28.7 GB · 16–24 tok/s on a Mac Studio M3 Ultra (512GB).
Every quantization on this machine
| Quant | Size | Speed | Fit |
|---|---|---|---|
| Q2_K | 10.5 GB | 35–52 tok/s | Runs great |
| Q3_K_M | 13.4 GB | 29–44 tok/s | Runs great |
| Q4_K_M | 16.6 GB | 25–38 tok/s | Runs great |
| Q5_K_M | 19.3 GB | 22–34 tok/s | Runs great |
| Q6_K | 22.2 GB | 20–30 tok/s | Runs great |
| Q8_0 | 28.7 GB | 16–24 tok/s | Runs great |
| FP16 | 54.0 GB | 9–14 tok/s | Tight / slow |
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