vs
6.1Display6.2
4.9Health tracking4.9
Why is Tank S2 better than Watch GS Active2?
- Battery capacity390 mAh vs 350 mAh+11%
Why is Watch GS Active2 better than Tank S2?
- Battery life (smartwatch mode)10 days vs 20 days2×
Specifications
Side by side
| Design & durability | ||
| Case material | — | Stainless steel |
| Lens / cover glass | Gorilla Glas | Kunststoffglas |
| Strap material | Silikon | Silikon |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | 50 m / 5 bar / 5 ATM |
| Military-grade (MIL-STD-810) | Yes | — |
| Display | ||
| Screen size | 1.32″ | 1.32″ |
| 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 |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 20 days |
| Battery capacity | 390 mAh | 350 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Connectivity | ||
| Bluetooth | 5.3 | 5.3 |
| Platform | ||
| Works with | iOS, Android | — |
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