vs
6.7Display9.1
4.9Health tracking4.9
Dimensions
Size comparison
Wach 7020Tank T3 Ultra 2
| Wach 7020 | Tank T3 Ultra 2 | Difference | |
|---|---|---|---|
| Case size | 43 mm | 48 mm | −5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Wach 7020 better than Tank T3 Ultra 2?
Wach 7020 has no measurable advantages in this pair.
Why is Tank T3 Ultra 2 better than Wach 7020?
- Battery life (smartwatch mode)6 days vs 15 days2.5×
- Water resistance3 ATM vs 5 ATM+67%
- Screen size1.32″ vs 1.43″+8%
- Battery capacity300 mAh vs 470 mAh+57%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 48 mm |
| Weight | — | 71 g |
| Case material | Plastic / polymer | — |
| Strap material | Silikon | — |
| Water resistance | 3 ATM | 5 ATM |
| Water rating (maker) | 30 m / 3 bar / 3 ATM | 50 m / 5 bar / 5 ATM |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | Gold | — |
| Display | ||
| Screen size | 1.32″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | Farbdisplay | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 6 days | 15 days |
| Battery capacity | 300 mAh | 470 mAh |
| Battery type | Li-Po | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2, accelerometer | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS, GLONASS, GALILEO, BDS | — |
| Connectivity | ||
| Bluetooth | 5.3 | 5 |
| Smart features | ||
| Voice assistant | Yes | — |
| Platform | ||
| Works with | iOS, Android | iOS, Android |









