vs
8.0Display8.3
6.0Battery life6.9
9.7Sports & outdoor9.4
2.2Smart features6.5
4.6Build & durability8.4
Dimensions
Size comparison
Cheetah RoundT-Rex 3
| Cheetah Round | T-Rex 3 | Difference | |
|---|---|---|---|
| Height | 46.7 mm | 48.5 mm | −1.8 mm |
| Width | 46.7 mm | 48.5 mm | −1.8 mm |
| Thickness | 11.9 mm | 13.8 mm | −1.8 mm |
| Weight | 32 g | 68 g | −36 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Cheetah Round better than T-Rex 3?
- GPS battery life44 h vs 28 h+57%
- Weight32 g vs 68.3 g2.1×
- Thickness11.9 mm vs 13.8 mm+16%
Why is T-Rex 3 better than Cheetah Round?
- Battery life (smartwatch mode)14 days vs 27 days+93%
- Water resistance5 ATM vs 10 ATM2×
- Screen size1.39″ vs 1.5″+8%
- Battery saver mode24 days vs 40 days+67%
- GPS battery life (dual-band)26 h vs 42 h+62%
- Battery capacity440 mAh vs 700 mAh+59%
- Sport profiles150 vs 170+13%
- Resolution (width)454 px vs 480 px+6%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 48 mm |
| Weight | 32 g | 68.3 g |
| Thickness | 11.9 mm | 13.8 mm |
| Height | 46.7 mm | 48.5 mm |
| Width | 46.7 mm | 48.5 mm |
| Case material | Plastic / polymer | Stainless steel |
| Lens / cover glass | Tempered glass +anti-fingerprint coating | Gorilla Glass |
| Water resistance | 5 ATM | 10 ATM |
| Display | ||
| Screen size | 1.39″ | 1.5″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 454 px | 480 px |
| Resolution (height) | 454 px | 480 px |
| Pixel density | 326 ppi | 322 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 14 days | 27 days |
| Battery saver mode | 24 days | 40 days |
| GPS battery life | 44 h | 28 h |
| GPS battery life (dual-band) | 26 h | 42 h |
| Battery capacity | 440 mAh | 700 mAh |
| Charging | Magnetic charging | Magnetic charging base |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Temperature sensor | — | Yes |
| Sleep tracking | Yes | Yes |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Offline maps | — | Yes |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Sport profiles | 150 | 170 |
| Connectivity | ||
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5.3 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | Yes |
| Microphone | — | Yes |
| Voice assistant | Yes | Yes |
| Music on the watch | Yes | Yes |
| Platform | ||
| Operating system | Zepp OS | — |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | Android, iOS |
