Mac Studio M3 Ultra, 512 GB
⚠ Source not independently checked. This build comes from a Reddit post we could not fetch to re-verify the numbers. Treat as reported, not confirmed.
| GPU(s) | Apple M3 Ultra |
|---|---|
| VRAM / unified memory (GB) | 512 |
| CPU | Apple M3 Ultra |
| Motherboard | |
| RAM | 512 GB unified |
| PSU | |
| Other | MLX; drops to 6.39 t/s at 13k-token prompt |
| Reported total cost | |
| Power |
Measured speed (generation tokens/sec)
| Model | Quant | Engine | tok/s |
|---|---|---|---|
| DeepSeek R1 671B | Q4 | MLX | 18.43 |
Source: https://www.reddit.com/r/LocalLLaMA/comments/1j9vjf1/deepseek_r1_671b_q4_m3_ultra_512gb_with_mlx/
Blank fields = not stated in the source. We never estimate build data; GPU street prices above are separately sourced and dated.
Rent before you buy: try this model on a cloud GPU for a few dollars first: RunPod
Quick answers: Can Apple M3 Ultra run DeepSeek R1 671B?