vs
8.0Display8.7
4.9Health tracking9.4
Why is T-Rex 2 better than Pro 3 2024?
- Battery life (smartwatch mode)24 days vs 6 days4×
Why is Pro 3 2024 better than T-Rex 2?
- Screen size1.39″ vs 2.04″+47%
- Battery capacity500 mAh vs 1,400 mAh2.8×
- Thickness13.6 mm vs 10.9 mm+25%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | — |
| Weight | 66.5 g | — |
| Thickness | 13.6 mm | 10.9 mm |
| Height | 47.1 mm | — |
| Width | 47.1 mm | — |
| Case material | Plastic / polymer | Stainless steel |
| Lens / cover glass | Glass material | — |
| Water resistance | 10 ATM | — |
| Colours | — | Black |
| Display | ||
| Screen size | 1.39″ | 2.04″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 454 px | — |
| Resolution (height) | 454 px | — |
| Pixel density | 326 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 24 days | 6 days |
| GPS battery life | 50 h | — |
| GPS battery life (dual-band) | 26 h | — |
| Battery capacity | 500 mAh | 1,400 mAh |
| Charging | Magnetic 2-pin pogo pin | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | — | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Dual-band GPS | Yes | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Sport profiles | 158 | — |
| Connectivity | ||
| Bluetooth | 5 | 5.1 |
| Platform | ||
| Platform | Proprietary | — |
| Works with | — | iOS, Android |
