Why is Watch 4 better than Watch GT2?
- Wi-FiWi-Fi 4 vs Wi-Fi 14×
- Battery capacity646 mAh vs 595 mAh+9%
Why is Watch GT2 better than Watch 4?
- Screen size1.5″ vs 2.07″+38%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | — |
| Weight | 43 g | — |
| Thickness | 11 mm | — |
| Height | 47.4 mm | — |
| Width | 47.4 mm | — |
| Case material | — | Aluminium |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire crystal glass | — |
| Water resistance | 5 ATM | — |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Military-grade (MIL-STD-810) | Yes | — |
| Colours | Midnight Titanium, Evergreen Titanium | Black |
| Display | ||
| Screen size | 1.5″ | 2.07″ |
| Display technology | AMOLED | — |
| Panel | LTPO AMOLED | — |
| AMOLED / OLED display | Yes | — |
| Resolution (width) | 466 px | — |
| Resolution (height) | 466 px | — |
| Pixel density | 310 ppi | — |
| Peak brightness | 3,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery capacity | 646 mAh | 595 mAh |
| Battery type | 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 | — |
| Sensors | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GPS |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | No | — |
| eSIM | No | — |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 1 |
| Bluetooth | 5.2 | — |
| Smart features | ||
| Speaker | Yes | — |
| Storage | 32 GB | — |
| RAM | 2 GB | — |
| Platform | ||
| Operating system | OxygenOS Watch 8 + Wear OS 7.0 | — |
| Platform | Wear OS | — |
| Works with | — | iOS, Android |
| Chipset | Qualcomm Snapdragon W5 Gen 1 | — |
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