vs
6.9Display8.6
9.1Battery life8.1
4.9Health tracking9.6
9.6Sports & outdoor9.5
9.7Build & durability8.9
Dimensions
Size comparison
Balance 2T-Rex Dual Solar
| Balance 2 | T-Rex Dual Solar | Difference | |
|---|---|---|---|
| Height | 47.4 mm | 51.4 mm | −4 mm |
| Width | 47.4 mm | 51.4 mm | −4 mm |
| Thickness | 12.3 mm | 14.5 mm | −2.2 mm |
| Weight | 43 g | 69 g | −26 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Balance 2 better than T-Rex Dual Solar?
- Weight43 g vs 69 g+60%
- Screen size1.5″ vs 1.32″+14%
- Thickness12.3 mm vs 14.5 mm+18%
- Resolution (width)480 px vs 466 px+3%
Why is T-Rex Dual Solar better than Balance 2?
- Battery life (smartwatch mode)21 days vs 25 days+19%
- Peak brightness2,000 nits vs 3,000 nits+50%
- GPS battery life (dual-band)33 h vs 41 h+24%
- Pixel density323 ppi vs 353 ppi+9%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | — |
| Weight | 43 g | 69 g |
| Thickness | 12.3 mm | 14.5 mm |
| Height | 47.4 mm | 51.4 mm |
| Width | 47.4 mm | 51.4 mm |
| Case material | Aluminium | Titanium |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Sapphire glass | Sapphire glass |
| Water resistance | 10 ATM | 10 ATM |
| Display | ||
| Screen size | 1.5″ | 1.32″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 480 px | 466 px |
| Resolution (height) | 480 px | 466 px |
| Pixel density | 323 ppi | 353 ppi |
| Peak brightness | 2,000 nits | 3,000 nits |
| Battery | ||
| Battery life (smartwatch mode) | 21 days | 25 days |
| GPS battery life (dual-band) | 33 h | 41 h |
| Battery capacity | 658 mAh | 660 mAh |
| Solar charging | — | Yes |
| 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 |
| Connectivity | ||
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | Yes |
| Speaker | — | Yes |
| Microphone | Yes | Yes |
| Voice assistant | Yes | Yes |
| Music on the watch | — | Yes |
| Platform | ||
| Platform | Proprietary | Proprietary |
| Works with | Android, iOS | — |
