vs
9.7Display9.7
9.6Health tracking8.6
9.5Sports & outdoor8.0
4.1Smart features6.5
Dimensions
Size comparison
T-Rex 3 ProWatch D3
| T-Rex 3 Pro | Watch D3 | Difference | |
|---|---|---|---|
| Height | 48 mm | 46.5 mm | +1.5 mm |
| Width | 48 mm | 41 mm | +7 mm |
| Thickness | 14 mm | 11.3 mm | +2.7 mm |
| Weight | 74 g | 40 g | +34 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T-Rex 3 Pro better than Watch D3?
- Battery life (smartwatch mode)25 days vs 6 days4.2×
- Pixel density466 ppi vs 328 ppi+42%
- Resolution (width)480 px vs 408 px+18%
Why is Watch D3 better than T-Rex 3 Pro?
- Weight74.5 g vs 40 g+86%
- Screen size1.5″ vs 1.92″+28%
- Thickness14 mm vs 11.3 mm+24%
Specifications
Side by side
| Design & durability | ||
| Case size | 48 mm | 46 mm |
| Weight | 74.5 g | 40 g |
| Thickness | 14 mm | 11.3 mm |
| Height | 48 mm | 46.5 mm |
| Width | 48 mm | 41 mm |
| Case material | Plastic / polymer | Aluminium |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire glass | 2.5D-Glas |
| Strap material | — | Textil |
| Water resistance | 10 ATM | — |
| Colours | — | Black, Gold |
| Display | ||
| Screen size | 1.5″ | 1.92″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 480 px | 408 px |
| Resolution (height) | 480 px | 480 px |
| Pixel density | 466 ppi | 328 ppi |
| Peak brightness | 3,000 nits | 3,000 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 25 days | 6 days |
| GPS battery life | 85 h | — |
| GPS battery life (dual-band) | 38 h | — |
| Battery capacity | 700 mAh | — |
| Wireless charging | — | Yes |
| Charging | — | kabellos, magnetische Ladeschale |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | — | Accelerometer, gyro, compass, heart rate, SpO2, thermometer (skin temperature), differential pressure sensor, barometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Sport profiles | 180 | — |
| LED flashlight | Yes | — |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | 6 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | Yes |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Platform | ||
| Operating system | — | HarmonyOS |
| Platform | Proprietary | HarmonyOS |
| Works with | Android, iOS | iOS, Android |
