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- Ultra vs One
ColdLar Ultra vs Dorj One
What Ultra does better (0) and where One wins (2) — every spec side by side.
Why is Ultra better than One?
Ultra has no measurable advantages in this pair.
Why is One better than Ultra?
- Weight160 g vs 23 g7×
- Thickness8.6 mm vs 7 mm+23%
Specifications
Side by side
| Firmware & open source | ||
| Open-source firmware | No | — |
| Source code available | No | — |
| Design | ||
| Weight | 160 g | 23 g |
| Length | 140 mm | 72 mm |
| Width | 71 mm | 27 mm |
| Thickness | 8.6 mm | 7 mm |









