Dimensions
Size comparison
C7Watch 2
| C7 | Watch 2 | Difference | |
|---|---|---|---|
| Height | 44 mm | 46.4 mm | −2.4 mm |
| Width | 44 mm | 38.5 mm | +5.5 mm |
| Thickness | 12 mm | 11.6 mm | +0.4 mm |
| Weight | 34 g | 35 g | −1 g |
Drawn to the same scale from the official dimensions (front and side).
Why is C7 better than Watch 2?
- Weight34 g vs 35 g+3%
Why is Watch 2 better than C7?
- Built-in GPSNo · C7: Yes
- AMOLED / OLED displayNo · C7: Yes
- NFC paymentsNo · C7: Yes
- LTE (cellular)No · C7: Yes
- Screen size1.54″ vs 1.91″+24%
- eSIMNo · C7: Yes
- SpeakerNo · C7: Yes
- Battery capacity260 mAh vs 510 mAh+96%
- Resolution (width)240 px vs 402 px+68%
- Pixel density220 ppi vs 326 ppi+48%
- Thickness12 mm vs 11.6 mm+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 46 mm |
| Weight | 34 g | 35 g |
| Thickness | 12 mm | 11.6 mm |
| Height | 44 mm | 46.4 mm |
| Width | 44 mm | 38.5 mm |
| Case material | — | Aluminium |
| Lens / cover glass | Scratch-resistant glass | — |
| Water resistance | — | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black, Pink | Star Blue, Platinum Black, Rose Gold |
| Display | ||
| Screen size | 1.54″ | 1.91″ |
| Display technology | LCD | AMOLED |
| Panel | IPS LCD | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 240 px | 402 px |
| Resolution (height) | 240 px | 476 px |
| Pixel density | 220 ppi | 326 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 260 mAh | 510 mAh |
| Battery type | — | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sensors | Accelerometer, gyro, heart rate | Accelerometer, gyro, heart rate, compass, barometer, SpO2 |
| Sports & navigation | ||
| Built-in GPS | No | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | Yes |
| eSIM | No | Yes |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5 | 5 |
| Smart features | ||
| Speaker | No | Yes |
| Storage | — | 8 GB |
| RAM | — | 1 GB |
| Platform | ||
| Operating system | Proprietary OS | Android Wear OS - International ColorOS Watch 2.0 - China |
| Platform | Proprietary | Android |
| Chipset | — | Qualcomm Snapdragon Wear 4100 |
