vs
8.2Display2.4
3.1Build & durability2.6
Dimensions
Size comparison
Children's Watch 4XUnite
| Children's Watch 4X | Unite | Difference | |
|---|---|---|---|
| Height | 53 mm | 43 mm | +10 mm |
| Width | 45.7 mm | 43 mm | +2.7 mm |
| Thickness | 14.7 mm | 10.4 mm | +4.3 mm |
| Weight | 68 g | 32 g | +36 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Children's Watch 4X better than Unite?
- AMOLED / OLED displayYes · Unite: No
- Water resistance5 ATM vs 3 ATM+67%
- Battery capacity800 mAh vs 165 mAh4.8×
- Screen size1.41″ vs 1.2″+18%
- Pixel density342 ppi vs 200 ppi+71%
- Resolution (width)320 px vs 240 px+33%
Why is Unite better than Children's Watch 4X?
- Weight67.7 g vs 32 g2.1×
- Thickness14.7 mm vs 10.4 mm+41%
Specifications
Side by side
| Design & durability | ||
| Case size | 53 mm | 43 mm |
| Weight | 67.7 g | 32 g |
| Thickness | 14.7 mm | 10.4 mm |
| Height | 53 mm | 43 mm |
| Width | 45.7 mm | 43 mm |
| Case material | — | Plastic / polymer |
| Water resistance | 5 ATM | 3 ATM |
| Water rating (maker) | — | WR30 |
| Colours | Blue, Pink, White | White, Black Hook and Loop, Black |
| Display | ||
| Screen size | 1.41″ | 1.2″ |
| Display technology | AMOLED | LCD |
| Panel | AMOLED | TFT |
| AMOLED / OLED display | Yes | No |
| Touchscreen | — | Yes |
| Resolution (width) | 320 px | 240 px |
| Resolution (height) | 360 px | 240 px |
| Pixel density | 342 ppi | 200 ppi |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | — | 4 days |
| Battery capacity | 800 mAh | 165 mAh |
| Battery type | Li-Ion | Li-Pol |
| Wireless charging | Yes | — |
| Charged in 30 min | 75% | — |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Skin temperature | — | No |
| HRV tracking | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro | Accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Offline maps | — | No |
| LED flashlight | — | No |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | Yes | — |
| eSIM | No | — |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | — | 5.1 |
| Smart features | ||
| Speaker | Yes | — |
| Storage | 16 GB | — |
| RAM | 1 GB | — |
| Platform | ||
| Operating system | Proprietary OS | Polar OS |
| Platform | Proprietary | Proprietary |








