vs
5.8Display7.5
8.6Health tracking5.0
8.3Smart features4.9
Dimensions
Size comparison
Watch 4Watch Buds
| Watch 4 | Watch Buds | Difference | |
|---|---|---|---|
| Height | 46.2 mm | 47 mm | −0.8 mm |
| Width | 46.2 mm | 47.5 mm | −1.3 mm |
| Thickness | 10.9 mm | 15 mm | −4.1 mm |
| Weight | 48 g | 66 g | −18 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 4 better than Watch Buds?
- LTE (cellular)Yes · Watch Buds: No
- Weight48 g vs 66.5 g+39%
- eSIMYes · Watch Buds: No
- SpeakerYes · Watch Buds: No
- Screen size1.5″ vs 1.43″+5%
- Thickness10.9 mm vs 15 mm+38%
- Battery capacity530 mAh vs 410 mAh+29%
Why is Watch Buds better than Watch 4?
- Pixel density310 ppi vs 326 ppi+5%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 47 mm |
| Weight | 48 g | 66.5 g |
| Thickness | 10.9 mm | 15 mm |
| Height | 46.2 mm | 47 mm |
| Width | 46.2 mm | 47.5 mm |
| Case material | Stainless steel | Stainless steel |
| Strap material | Leder, Fluorelastomer | — |
| Water resistance | 5 ATM | — |
| Ingress protection | IP6X | — |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | — |
| Colours | Black | Black, Khaki |
| Display | ||
| Screen size | 1.5″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 310 ppi | 326 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 3 days | — |
| Battery capacity | 530 mAh | 410 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature) | Accelerometer, gyro, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | No |
| eSIM | Yes | No |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Speaker | Yes | No |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | 32 GB | — |
| RAM | 2 GB | — |
| Platform | ||
| Operating system | HarmonyOS 3.0 | HarmonyOS 3.0 |
| Platform | HarmonyOS | HarmonyOS |
| Works with | iOS, Android | — |
| Chipset | Qualcomm Snapdragon W5 Gen 1 | — |
