vs
8.7Display9.2
9.6Battery life8.2
4.9Health tracking9.6
9.4Sports & outdoor9.5
5.2Smart features4.2
9.6Build & durability7.3
Dimensions
Size comparison
Balance UltraT-Rex Ultra 2
| Balance Ultra | T-Rex Ultra 2 | Difference | |
|---|---|---|---|
| Height | 51.8 mm | 51 mm | +0.8 mm |
| Width | 51.8 mm | 51 mm | +0.8 mm |
| Thickness | 13.4 mm | 14.3 mm | −0.9 mm |
| Weight | 57 g | 89 g | −32 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Balance Ultra better than T-Rex Ultra 2?
- Weight57 g vs 89.2 g+56%
- Thickness13.4 mm vs 14.3 mm+7%
Why is T-Rex Ultra 2 better than Balance Ultra?
- Battery capacity780 mAh vs 870 mAh+12%
Specifications
Side by side
| Design & durability | ||
| Case size | 49 mm | 51 mm |
| Weight | 57 g | 89.2 g |
| Thickness | 13.4 mm | 14.3 mm |
| Height | 51.8 mm | 51 mm |
| Width | 51.8 mm | 51 mm |
| Case material | Titanium | Plastic / polymer |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Sapphire glass | Sapphire glass |
| Water resistance | 10 ATM | 10 ATM |
| Military-grade (MIL-STD-810) | Yes | — |
| Display | ||
| Screen size | 1.5″ | 1.5″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 480 px | 480 px |
| Resolution (height) | 480 px | 480 px |
| Pixel density | 323 ppi | 322 ppi |
| Peak brightness | 3,000 nits | 3,000 nits |
| Battery | ||
| Battery life (smartwatch mode) | 30 days | 30 days |
| GPS battery life | — | 40 h |
| GPS battery life (dual-band) | 50 h | 50 h |
| Battery capacity | 780 mAh | 870 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Offline maps | — | Yes |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Sport profiles | 180 | 180 |
| LED flashlight | Yes | Yes |
| Connectivity | ||
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | Yes |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Voice assistant | Yes | Yes |
| Music on the watch | Yes | Yes |
| Storage | 64 GB | — |
| Platform | ||
| Operating system | Zepp OS | — |
| Platform | Proprietary | Proprietary |
| Works with | Android, iOS | Android, iOS |
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