Dimensions
Size comparison
T-Rex 2T-Rex Pro
| T-Rex 2 | T-Rex Pro | Difference | |
|---|---|---|---|
| Case size | 47.1 mm | 47.7 mm | −0.6 mm |
| Thickness | 13.6 mm | 13.5 mm | +0.2 mm |
| Weight | 66 g | 59 g | +7 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T-Rex 2 better than T-Rex Pro?
- Sport profiles158 vs 120+32%
- Battery capacity500 mAh vs 390 mAh+28%
Why is T-Rex Pro better than T-Rex 2?
- Screen size1.39″ vs 2″+44%
- Weight66.5 g vs 59.4 g+12%
- Pixel density326 ppi vs 598 ppi+83%
- Resolution (width)454 px vs 800 px+76%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 48 mm |
| Weight | 66.5 g | 59.4 g |
| Thickness | 13.6 mm | 13.5 mm |
| Height | 47.1 mm | — |
| Width | 47.1 mm | — |
| Case material | Plastic / polymer | — |
| Lens / cover glass | Glass material | — |
| Water resistance | 10 ATM | 10 ATM |
| Military-grade (MIL-STD-810) | — | Yes |
| Display | ||
| Screen size | 1.39″ | 2″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 454 px | 800 px |
| Resolution (height) | 454 px | 890 px |
| Pixel density | 326 ppi | 598 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 24 days | — |
| GPS battery life | 50 h | — |
| GPS battery life (dual-band) | 26 h | — |
| Battery capacity | 500 mAh | 390 mAh |
| Charging | Magnetic 2-pin pogo pin | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | 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 | 158 | 120 |
| Connectivity | ||
| NFC payments | — | Yes |
| Bluetooth | 5 | 5 |
| Smart features | ||
| Voice assistant | — | Yes |
| Platform | ||
| Platform | Proprietary | Proprietary |
