vs
4.1Display3.3
2.5Smart features6.5
Dimensions
Size comparison
C21105 4G (2023)
| C21 | 105 4G (2023) | Difference | |
|---|---|---|---|
| Height | 46.5 mm | 121.5 mm | −75 mm |
| Width | 46.5 mm | 50 mm | −3.5 mm |
| Thickness | 13 mm | 14.4 mm | −1.4 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is C21 better than 105 4G (2023)?
- Resolution (width)360 px vs 120 px3×
- Pixel density386 ppi vs 111 ppi3.5×
- Thickness13 mm vs 14.4 mm+11%
Why is 105 4G (2023) better than C21?
- LTE (cellular)No · C21: Yes
- Battery capacity300 mAh vs 1,450 mAh4.8×
- Screen size1.32″ vs 1.8″+36%
- SpeakerNo · C21: Yes
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | — |
| Weight | — | 93 g |
| Thickness | 13 mm | 14.4 mm |
| Height | 46.5 mm | 121.5 mm |
| Width | 46.5 mm | 50 mm |
| Lens / cover glass | Corning Gorilla Glass | — |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black, Silver | Charcoal, Ocean Blue |
| Display | ||
| Screen size | 1.32″ | 1.8″ |
| Display technology | LCD | LCD |
| Panel | TFT LCD | IPS LCD |
| AMOLED / OLED display | No | No |
| Resolution (width) | 360 px | 120 px |
| Resolution (height) | 360 px | 160 px |
| Pixel density | 386 ppi | 111 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 300 mAh | 1,450 mAh |
| Battery type | — | Li-Ion |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Sensors | Accelerometer, heart rate, SpO2, blood pressure | — |
| Sports & navigation | ||
| Built-in GPS | No | No |
| Connectivity | ||
| NFC payments | No | No |
| LTE (cellular) | No | Yes |
| eSIM | No | No |
| Bluetooth | 5 | 5 |
| Smart features | ||
| Speaker | No | Yes |
| Platform | ||
| Operating system | Proprietary OS | — |
| Platform | Proprietary | — |
