vs
9.8Display9.7
8.5Health tracking5.5
Dimensions
Size comparison
Watch D3Call Max AMOLED Smartwatch
| Watch D3 | Call Max AMOLED Smartwatch | Difference | |
|---|---|---|---|
| Case size | 41 mm | 41.5 mm | −0.5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch D3 better than Call Max AMOLED Smartwatch?
Watch D3 has no measurable advantages in this pair.
Why is Call Max AMOLED Smartwatch better than Watch D3?
Call Max AMOLED Smartwatch has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 42 mm |
| Weight | 40 g | — |
| Thickness | 11.3 mm | — |
| Height | 46.5 mm | — |
| Width | 41 mm | — |
| Case material | Aluminium | Aluminium |
| Lens / cover glass | 2.5D-Glas | Mineralglas Mineralglas |
| Strap material | Textil | Aluminium |
| Colours | Black, Gold | — |
| Display | ||
| Screen size | 1.92″ | 1.95″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | — |
| Resolution (width) | 408 px | — |
| Resolution (height) | 480 px | — |
| Pixel density | 328 ppi | — |
| Peak brightness | 3,000 nits | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery life (smartwatch mode) | 6 days | — |
| Wireless charging | Yes | — |
| Charging | kabellos, magnetische Ladeschale | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | Accelerometer, gyro, compass, heart rate, SpO2, thermometer (skin temperature), differential pressure sensor, barometer | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | Yes | — |
| LTE (cellular) | No | — |
| eSIM | No | — |
| Bluetooth | 6 | 5.1 |
| Smart features | ||
| Speaker | Yes | — |
| Platform | ||
| Operating system | HarmonyOS | — |
| Platform | HarmonyOS | — |
| Works with | iOS, Android | iOS, Android |









