vs
9.7Display6.2
4.9Health tracking4.9
Why is Tank M3 better than Watch GS Active2?
- Screen size1.96″ vs 1.32″+48%
Why is Watch GS Active2 better than Tank M3?
- Battery life (smartwatch mode)10 days vs 20 days2×
- Resolution (width)410 px vs 466 px+14%
Specifications
Side by side
| Design & durability | ||
| Weight | 60 g | — |
| Case material | — | Stainless steel |
| Lens / cover glass | Gorilla Glas | Kunststoffglas |
| Strap material | — | Silikon |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | 50 m / 5 bar / 5 ATM |
| Display | ||
| Screen size | 1.96″ | 1.32″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 410 px | 466 px |
| Resolution (height) | 502 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 20 days |
| Battery capacity | — | 350 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Sleep tracking | — | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GPS | GPS |
| Connectivity | ||
| Bluetooth | 5.3 | 5.3 |
| Platform | ||
| Works with | iOS, Android | — |









