vs
8.4Display9.3
4.9Health tracking9.4
Why is T-Rex 3 better than Pro 3 2024?
- Battery life (smartwatch mode)27 days vs 6 days4.5×
Why is Pro 3 2024 better than T-Rex 3?
- Screen size1.5″ vs 2.04″+36%
- Battery capacity700 mAh vs 1,400 mAh2×
- Thickness13.8 mm vs 10.9 mm+26%
Specifications
Side by side
| Design & durability | ||
| Case size | 48 mm | — |
| Weight | 68.3 g | — |
| Thickness | 13.8 mm | 10.9 mm |
| Height | 48.5 mm | — |
| Width | 48.5 mm | — |
| Case material | Stainless steel | Stainless steel |
| Lens / cover glass | Gorilla Glass | — |
| Water resistance | 10 ATM | — |
| Colours | — | Black |
| Display | ||
| Screen size | 1.5″ | 2.04″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 480 px | — |
| Resolution (height) | 480 px | — |
| Pixel density | 322 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 27 days | 6 days |
| Battery saver mode | 40 days | — |
| Battery capacity | 700 mAh | 1,400 mAh |
| Charging | Magnetic charging base | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | — | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Dual-band GPS | Yes | — |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Sport profiles | 177 | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | 5.1 |
| Smart features | ||
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Platform | ||
| Platform | Proprietary | — |
| Works with | iOS, Android | iOS, Android |
