vs
5.9Display8.1
5.0Health tracking9.2
4.7Sports & outdoor4.7
5.9Smart features5.9
9.4Build & durability5.8
Dimensions
Size comparison
Watch Ultimate DesignWatch 4
| Watch Ultimate Design | Watch 4 | Difference | |
|---|---|---|---|
| Height | 49.4 mm | 47.4 mm | +2 mm |
| Width | 49.4 mm | 47.4 mm | +2 mm |
| Thickness | 13 mm | 11 mm | +2 mm |
| Weight | 78 g | 43 g | +35 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Ultimate Design better than Watch 4?
- Water resistance10 ATM vs 5 ATM2×
- Wireless chargingYes · Watch 4: No
Why is Watch 4 better than Watch Ultimate Design?
- Weight78 g vs 43 g+81%
- Battery capacity530 mAh vs 646 mAh+22%
- Thickness13 mm vs 11 mm+18%
Specifications
Side by side
| Design & durability | ||
| Case size | 49 mm | 47 mm |
| Weight | 78 g | 43 g |
| Thickness | 13 mm | 11 mm |
| Height | 49.4 mm | 47.4 mm |
| Width | 49.4 mm | 47.4 mm |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | — | Sapphire crystal glass |
| Water resistance | 10 ATM | 5 ATM |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | Gold | Midnight Titanium, Evergreen Titanium |
| Display | ||
| Screen size | 1.5″ | 1.5″ |
| Display technology | AMOLED | AMOLED |
| Panel | LTPO AMOLED | LTPO AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 311 ppi | 310 ppi |
| Peak brightness | — | 3,000 nits |
| LTPO display | Yes | Yes |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 530 mAh | 646 mAh |
| Battery type | Li-Po | Si/C |
| Wireless charging | Yes | No |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature) | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Satellite messaging | Yes | — |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 32 GB | 32 GB |
| RAM | — | 2 GB |
| Platform | ||
| Operating system | HarmonyOS 4.0 | OxygenOS Watch 8 + Wear OS 7.0 |
| Platform | HarmonyOS | Wear OS |
| Chipset | — | Qualcomm Snapdragon W5 Gen 1 |
