Dimensions
Size comparison
C7E4
| C7 | E4 | Difference | |
|---|---|---|---|
| Height | 44 mm | 115 mm | −71 mm |
| Width | 44 mm | 46 mm | −2 mm |
| Thickness | 12 mm | 13.5 mm | −1.5 mm |
| Weight | 34 g | 65 g | −31 g |
Drawn to the same scale from the official dimensions (front and side).
Why is C7 better than E4?
- Weight34 g vs 65 g+91%
- Pixel density220 ppi vs 116 ppi+90%
- Resolution (width)240 px vs 128 px+88%
- Thickness12 mm vs 13.5 mm+12%
Why is E4 better than C7?
- Battery capacity260 mAh vs 1,000 mAh3.8×
- SpeakerNo · C7: Yes
- Screen size1.54″ vs 1.77″+15%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | — |
| Weight | 34 g | 65 g |
| Thickness | 12 mm | 13.5 mm |
| Height | 44 mm | 115 mm |
| Width | 44 mm | 46 mm |
| Lens / cover glass | Scratch-resistant glass | — |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black, Pink | Black, Blue, Red, Gold, Silver |
| Display | ||
| Screen size | 1.54″ | 1.77″ |
| Display technology | LCD | LCD |
| Panel | IPS LCD | TFT |
| AMOLED / OLED display | No | No |
| Resolution (width) | 240 px | 128 px |
| Resolution (height) | 240 px | 160 px |
| Pixel density | 220 ppi | 116 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 260 mAh | 1,000 mAh |
| Battery type | — | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Sensors | Accelerometer, gyro, heart rate | No |
| Sports & navigation | ||
| Built-in GPS | No | No |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Bluetooth | 5 | 2 |
| Smart features | ||
| Speaker | No | Yes |
| Platform | ||
| Operating system | Proprietary OS | — |
| Platform | Proprietary | — |
| Chipset | — | Unisoc SC6531DA |
