vs
6.7Display8.2
4.9Health tracking4.9
Dimensions
Size comparison
Wach 7020Stratos 4 Pro
| Wach 7020 | Stratos 4 Pro | Difference | |
|---|---|---|---|
| Case size | 43 mm | 46.3 mm | −3.3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Wach 7020 better than Stratos 4 Pro?
Wach 7020 has no measurable advantages in this pair.
Why is Stratos 4 Pro better than Wach 7020?
- Battery life (smartwatch mode)6 days vs 18 days3×
- Water resistance3 ATM vs 5 ATM+67%
- Screen size1.32″ vs 1.43″+8%
- Battery capacity300 mAh vs 500 mAh+67%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 49 mm |
| Weight | — | 60 g |
| Thickness | — | 14 mm |
| Height | — | 46.3 mm |
| Width | — | 46.3 mm |
| Case material | Plastic / polymer | Stainless steel |
| Lens / cover glass | — | Gorilla Glas 3 |
| Strap material | Silikon | Silikon |
| Water resistance | 3 ATM | 5 ATM |
| Water rating (maker) | 30 m / 3 bar / 3 ATM | 50 m / 5 bar / 5 ATM |
| Colours | Gold | Black, Orange |
| Display | ||
| Screen size | 1.32″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | Farbdisplay | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | 6 days | 18 days |
| Battery capacity | 300 mAh | 500 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 | Yes |
| Satellite systems | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Connectivity | ||
| Bluetooth | 5.3 | 5.3 |
| Smart features | ||
| Voice assistant | Yes | — |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
