Dimensions
Size comparison
Watch X5iWatch 4
| Watch X5i | Watch 4 | Difference | |
|---|---|---|---|
| Height | 46.7 mm | 47.4 mm | −0.7 mm |
| Width | 40.5 mm | 47.4 mm | −6.9 mm |
| Thickness | 10.9 mm | 11 mm | −0.1 mm |
| Weight | 28 g | 43 g | −15 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch X5i better than Watch 4?
- Weight28 g vs 43 g+54%
- Screen size1.97″ vs 1.5″+31%
Why is Watch 4 better than Watch X5i?
- Built-in GPSNo · Watch X5i: Yes
- Water resistance1 ATM vs 5 ATM5×
- NFC paymentsNo · Watch X5i: Yes
- Battery capacity420 mAh vs 646 mAh+54%
- Resolution (width)390 px vs 466 px+19%
- Pixel density302 ppi vs 310 ppi+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 47 mm |
| Weight | 28 g | 43 g |
| Thickness | 10.9 mm | 11 mm |
| Height | 46.7 mm | 47.4 mm |
| Width | 40.5 mm | 47.4 mm |
| Case material | Plastic / polymer | — |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Sapphire crystal glass |
| Strap material | Silikon | — |
| Water resistance | 1 ATM | 5 ATM |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Water rating (maker) | 1 ATM | — |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | Black, White | Midnight Titanium, Evergreen Titanium |
| Display | ||
| Screen size | 1.97″ | 1.5″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | LTPO AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 390 px | 466 px |
| Resolution (height) | 450 px | 466 px |
| Pixel density | 302 ppi | 310 ppi |
| Peak brightness | — | 3,000 nits |
| LTPO display | — | Yes |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 21 days | — |
| Battery capacity | 420 mAh | 646 mAh |
| Battery type | Li-Po | Si/C |
| Wireless charging | — | No |
| 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, heart rate, SpO2 | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | No | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5.4 | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Microphone | Yes | — |
| Storage | — | 32 GB |
| RAM | — | 2 GB |
| Platform | ||
| Operating system | RTOS OS | OxygenOS Watch 8 + Wear OS 7.0 |
| Platform | Proprietary | Wear OS |
| Works with | iOS, Android | — |
| Chipset | — | Qualcomm Snapdragon W5 Gen 1 |
