vs
8.1Display8.0
9.2Health tracking5.0
4.7Sports & outdoor4.7
5.9Smart features9.0
5.8Build & durability4.2
Dimensions
Size comparison
Watch 4Watch S5 46mm
| Watch 4 | Watch S5 46mm | Difference | |
|---|---|---|---|
| Height | 47.4 mm | 46 mm | +1.4 mm |
| Width | 47.4 mm | 46 mm | +1.4 mm |
| Thickness | 11 mm | 11 mm | = |
| Weight | 43 g | 46 g | −3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 4 better than Watch S5 46mm?
- Peak brightness3,000 nits vs 2,500 nits+20%
- Weight43 g vs 46 g+7%
Why is Watch S5 46mm better than Watch 4?
- LTE (cellular)No · Watch 4: Yes
- eSIMNo · Watch 4: Yes
- Battery capacity646 mAh vs 815 mAh+26%
- Pixel density310 ppi vs 323 ppi+4%
- Resolution (width)466 px vs 480 px+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 46 mm |
| Weight | 43 g | 46 g |
| Thickness | 11 mm | 11 mm |
| Height | 47.4 mm | 46 mm |
| Width | 47.4 mm | 46 mm |
| Case material | — | Stainless steel |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire crystal glass | 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, Silver, Ceramic Blue, Jungle Green, Beige (eSIM) |
| Display | ||
| Screen size | 1.5″ | 1.48″ |
| Display technology | AMOLED | AMOLED |
| Panel | LTPO AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 480 px |
| Resolution (height) | 466 px | 480 px |
| Pixel density | 310 ppi | 323 ppi |
| Peak brightness | 3,000 nits | 2,500 nits |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 646 mAh | 815 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 | — |
| Temperature sensor | Yes | — |
| Sensors | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| 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 | Yes |
| eSIM | No | Yes |
| Wi-Fi | Wi-Fi 4 | 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 | Xiaomi HyperOS 3 |
| Platform | Wear OS | Proprietary |
| Chipset | Qualcomm Snapdragon W5 Gen 1 | — |
