Dimensions
Size comparison
Active 2GTS 4
| Active 2 | GTS 4 | Difference | |
|---|---|---|---|
| Case size | 43.9 mm | 47 mm | −3.1 mm |
| Thickness | 9.9 mm | 8.7 mm | +1.2 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Active 2 better than GTS 4?
- Battery life (smartwatch mode)10 days vs 7 days+43%
- Battery capacity270 mAh vs 260 mAh+4%
Why is GTS 4 better than Active 2?
- Screen size1.32″ vs 1.94″+47%
- Thickness9.9 mm vs 8.7 mm+14%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 47 mm |
| Weight | 31.6 g | — |
| Thickness | 9.9 mm | 8.7 mm |
| Height | 43.9 mm | — |
| Width | 43.9 mm | — |
| Case material | Stainless steel | Plastic / polymer |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Premium version: Sapphire glass | — |
| Strap material | — | Silikon |
| Water resistance | 5 ATM | — |
| Display | ||
| Screen size | 1.32″ | 1.94″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 353 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 7 days |
| Battery saver mode | 19 days | — |
| GPS battery life | 21 h | — |
| Battery capacity | 270 mAh | 260 mAh |
| Charging | Magnetic charging base | — |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | — | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Sport profiles | 160 | — |
| Connectivity | ||
| NFC payments | Yes | — |
| Bluetooth | 5.2 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Platform | ||
| Platform | Proprietary | — |
| Works with | iOS, Android | iOS, Android |
