vs
2.1Display5.3
2.5Smart features8.4
Dimensions
Size comparison
C9Galaxy Watch4
| C9 | Galaxy Watch4 | Difference | |
|---|---|---|---|
| Height | 43 mm | 44.4 mm | −1.4 mm |
| Width | 43 mm | 43.3 mm | −0.3 mm |
| Thickness | 10 mm | 9.8 mm | +0.2 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is C9 better than Galaxy Watch4?
C9 has no measurable advantages in this pair.
Why is Galaxy Watch4 better than C9?
- Built-in GPSNo · C9: Yes
- AMOLED / OLED displayNo · C9: Yes
- NFC paymentsNo · C9: Yes
- LTE (cellular)No · C9: Yes
- eSIMNo · C9: Yes
- SpeakerNo · C9: Yes
- Resolution (width)240 px vs 450 px+88%
- Screen size1.28″ vs 1.4″+9%
- Battery capacity210 mAh vs 361 mAh+72%
- Pixel density265 ppi vs 321 ppi+21%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 44 mm |
| Weight | — | 30.3 g |
| Thickness | 10 mm | 9.8 mm |
| Height | 43 mm | 44.4 mm |
| Width | 43 mm | 43.3 mm |
| Case material | — | Aluminium |
| Lens / cover glass | Scratch-resistant glass | Corning Gorilla Glass DX+ |
| Strap material | — | Fluorelastomer |
| Water resistance | — | 5 ATM |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | Black, Blue, Pink | Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition |
| Display | ||
| Screen size | 1.28″ | 1.4″ |
| Display technology | LCD | AMOLED |
| Panel | IPS LCD | Super AMOLED |
| AMOLED / OLED display | No | Yes |
| Always-on display | — | Yes |
| Resolution (width) | 240 px | 450 px |
| Resolution (height) | 240 px | 450 px |
| Pixel density | 265 ppi | 321 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 2.2 days |
| Battery life (hours) | — | 52 h |
| Battery capacity | 210 mAh | 361 mAh |
| Battery type | — | Li-Ion |
| Wireless charging | — | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, heart rate | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | No | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Multisport / triathlon mode | — | 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 |
| Music on the watch | — | Yes |
| Storage | — | 16 GB |
| RAM | — | 1.5 GB |
| Platform | ||
| Operating system | Proprietary OS | Android Wear OS 4 |
| Platform | Proprietary | Android |
| Works with | — | Android |
| Chipset | — | Exynos W920 |
