Dimensions
Size comparison
T-Rex ProNC83S
| T-Rex Pro | NC83S | Difference | |
|---|---|---|---|
| Case size | 47.7 mm | 38 mm | +9.7 mm |
| Thickness | 13.5 mm | 16 mm | −2.5 mm |
| Weight | 59 g | 55 g | +4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is T-Rex Pro better than NC83S?
- Screen size2″ vs 1.69″+18%
- Thickness13.5 mm vs 16 mm+19%
Why is NC83S better than T-Rex Pro?
- Battery capacity390 mAh vs 700 mAh+79%
- Weight59.4 g vs 55 g+8%
Specifications
Side by side
| Design & durability | ||
| Case size | 48 mm | — |
| Weight | 59.4 g | 55 g |
| Thickness | 13.5 mm | 16 mm |
| Height | — | 48 mm |
| Width | — | 38 mm |
| Water resistance | 10 ATM | — |
| Military-grade (MIL-STD-810) | Yes | — |
| Colours | — | Black |
| Display | ||
| Screen size | 2″ | 1.69″ |
| Display technology | AMOLED | — |
| Panel | AMOLED | — |
| AMOLED / OLED display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 800 px | — |
| Resolution (height) | 890 px | — |
| Pixel density | 598 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 6 days |
| Battery capacity | 390 mAh | 700 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | — | heart rate |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Satellite systems | — | GPS |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Sport profiles | 120 | — |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | — | Yes |
| Bluetooth | 5 | — |
| Smart features | ||
| Voice assistant | Yes | — |
| Platform | ||
| Platform | Proprietary | — |








