vs
7.5Display5.4
5.0Health tracking5.0
4.7Sports & outdoor3.1
6.5Smart features5.6
4.5Build & durability5.4
Dimensions
Size comparison
Watch GS 4Watch 2
| Watch GS 4 | Watch 2 | Difference | |
|---|---|---|---|
| Height | 45.9 mm | 47 mm | −1.1 mm |
| Width | 45.9 mm | 46.6 mm | −0.7 mm |
| Thickness | 10.5 mm | 12.1 mm | −1.6 mm |
| Weight | 44 g | 49 g | −5 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch GS 4 better than Watch 2?
- Weight44 g vs 49 g+11%
- Thickness10.5 mm vs 12.1 mm+15%
Why is Watch 2 better than Watch GS 4?
- Storage4 GB vs 32 GB8×
- Battery capacity451 mAh vs 500 mAh+11%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 47 mm |
| Weight | 44 g | 49 g |
| Thickness | 10.5 mm | 12.1 mm |
| Height | 45.9 mm | 47 mm |
| Width | 45.9 mm | 46.6 mm |
| Case material | Stainless steel | Stainless steel |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Sapphire crystal glass |
| Strap material | — | Fluorelastomer |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Water rating (maker) | — | 1 m / 5 ATM |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | Black, Steel, Gold | Black Steel, Radiant Steel |
| Display | ||
| Screen size | 1.43″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 326 ppi | 326 ppi |
| Peak brightness | — | 1,000 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | — | 4.2 days |
| Battery life (hours) | — | 100 h |
| Battery capacity | 451 mAh | 500 mAh |
| Battery type | Li-Po | — |
| Wireless charging | — | No |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, heart rate, barometer, compass, SpO2 | Accelerometer, gyro, barometer, compass, 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 |
| Multisport / triathlon mode | — | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5 | 5 |
| Smart features | ||
| Speaker | Yes | Yes |
| Voice assistant | — | Yes |
| Music on the watch | — | Yes |
| Storage | 4 GB | 32 GB |
| RAM | 0.031 GB | 2 GB |
| Platform | ||
| Operating system | Proprietary OS | Android Wear OS 4 + RTOS |
| Platform | Proprietary | Android |
| Works with | — | Android |
| Chipset | — | Qualcomm Snapdragon W5 Gen 1 |
