Dimensions
Size comparison
Watch D2Watch X3
| Watch D2 | Watch X3 | Difference | |
|---|---|---|---|
| Height | 48 mm | 47.4 mm | +0.6 mm |
| Width | 38 mm | 47.4 mm | −9.4 mm |
| Thickness | 13.3 mm | 11 mm | +2.3 mm |
| Weight | 40 g | 43 g | −3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch D2 better than Watch X3?
- Battery life (smartwatch mode)6 days vs 5 days+20%
- Screen size1.82″ vs 1.5″+21%
- Wireless chargingYes · Watch X3: No
- Weight40 g vs 43 g+7%
- Pixel density347 ppi vs 310 ppi+12%
Why is Watch X3 better than Watch D2?
- LTE (cellular)No · Watch D2: Yes
- eSIMNo · Watch D2: Yes
- Battery capacity524 mAh vs 646 mAh+23%
- Thickness13.3 mm vs 11 mm+21%
- Resolution (width)408 px vs 466 px+14%
Specifications
Side by side
| Design & durability | ||
| Case size | 48 mm | 47 mm |
| Weight | 40 g | 43 g |
| Thickness | 13.3 mm | 11 mm |
| Height | 48 mm | 47.4 mm |
| Width | 38 mm | 47.4 mm |
| Case material | Aluminium | Titanium |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Sapphire crystal glass |
| 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, Gold | Black, Titanium |
| Display | ||
| Screen size | 1.82″ | 1.5″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | LTPO AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 408 px | 466 px |
| Resolution (height) | 480 px | 466 px |
| Pixel density | 347 ppi | 310 ppi |
| Peak brightness | — | 3,000 nits |
| LTPO display | — | Yes |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 6 days | 5 days |
| Battery capacity | 524 mAh | 646 mAh |
| Battery type | Li-Ion | Si/C |
| Wireless charging | Yes | No |
| Charging | — | Schnellladefunktion, magnetische Ladeschale |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | Yes |
| HRV tracking | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate, SpO2, thermometer (skin temperature), differential pressure sensor, barometer | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | No | Yes |
| eSIM | No | Yes |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | Yes |
| Music on the watch | Yes | Yes |
| Storage | — | 32 GB |
| RAM | — | 2 GB |
| Platform | ||
| Operating system | HarmonyOS 5.0 | ColorOS Watch 8.0 + Wear OS 6.0 |
| Platform | HarmonyOS | Wear OS |
| Works with | Android, iOS | Android |
| Chipset | — | Qualcomm Snapdragon W5 Gen 1 |
