Dimensions
Size comparison
C9Smartime
| C9 | Smartime | Difference | |
|---|---|---|---|
| Case size | 43 mm | 48 mm | −5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is C9 better than Smartime?
C9 has no measurable advantages in this pair.
Why is Smartime better than C9?
Smartime has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 48 mm |
| Thickness | 10 mm | — |
| Height | 43 mm | — |
| Width | 43 mm | — |
| Case material | — | Stainless steel |
| Lens / cover glass | Scratch-resistant glass | — |
| Strap material | — | Edelstahl |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Black, Blue, Pink | Black |
| Display | ||
| Screen size | 1.28″ | 1.3″ |
| Display technology | LCD | — |
| Panel | IPS LCD | — |
| AMOLED / OLED display | No | No |
| Resolution (width) | 240 px | 240 px |
| Resolution (height) | 240 px | 240 px |
| Pixel density | 265 ppi | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery capacity | 210 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate | accelerometer |
| Sports & navigation | ||
| Built-in GPS | No | — |
| Connectivity | ||
| NFC payments | No | — |
| LTE (cellular) | No | — |
| eSIM | No | — |
| Bluetooth | 5 | — |
| Smart features | ||
| Speaker | No | — |
| Platform | ||
| Operating system | Proprietary OS | — |
| Platform | Proprietary | — |
| Works with | — | iOS, Android |
| Chipset | — | Mediatek MT2502C |
