vs
8.1Display6.0
9.2Health tracking9.6
4.7Sports & outdoor8.0
5.9Smart features6.5
5.8Build & durability8.0
Dimensions
Size comparison
Watch 4Watch S4 41mm
| Watch 4 | Watch S4 41mm | Difference | |
|---|---|---|---|
| Height | 47.4 mm | 41.2 mm | +6.2 mm |
| Width | 47.4 mm | 41.2 mm | +6.2 mm |
| Thickness | 11 mm | 9.5 mm | +1.5 mm |
| Weight | 43 g | 32 g | +11 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 4 better than Watch S4 41mm?
- Peak brightness3,000 nits vs 2,200 nits+36%
- Battery capacity646 mAh vs 320 mAh2×
- Screen size1.5″ vs 1.32″+14%
Why is Watch S4 41mm better than Watch 4?
- Weight43 g vs 32 g+34%
- Thickness11 mm vs 9.5 mm+16%
- Pixel density310 ppi vs 320 ppi+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 41 mm |
| Weight | 43 g | 32 g |
| Thickness | 11 mm | 9.5 mm |
| Height | 47.4 mm | 41.2 mm |
| Width | 47.4 mm | 41.2 mm |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire crystal glass | Scratch/drop-proof glass |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Military-grade (MIL-STD-810) | Yes | — |
| Colours | Midnight Titanium, Evergreen Titanium | Black, Green, White, Gold |
| Display | ||
| Screen size | 1.5″ | 1.32″ |
| Display technology | AMOLED | AMOLED |
| Panel | LTPO AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 310 ppi | 320 ppi |
| Peak brightness | 3,000 nits | 2,200 nits |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 646 mAh | 320 mAh |
| Battery type | Si/C | Li-Po |
| Wireless charging | No | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | Yes |
| Sensors | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) | Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | 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 |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | 5.4 |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | 32 GB | — |
| RAM | 2 GB | — |
| Platform | ||
| Operating system | OxygenOS Watch 8 + Wear OS 7.0 | HyperOS 2 |
| Platform | Wear OS | Proprietary |
| Chipset | Qualcomm Snapdragon W5 Gen 1 | — |
