M3 Ultra 512GB vs RTX 6000
For running local LLMs · 10 reports across 3 models
Highest reported generation speed by model family
These maxima come from different community setups. Model size, quantization, GPU count, offloading and concurrency may differ. They do not establish which GPU is faster for the same workload. Check the comparison conditions →
| Model | M3 Ultra 512GB | RTX 6000 |
|---|---|---|
| DeepSeek V4 Flashup to 285B | 20.0n=3 | 128.6n=2 |
| Qwen3.8up to 2400B | — | 150.0n=3 |
| DeepSeek V4.1 Flashup to 552B | 31.3n=2 | — |