vs
4.9Health tracking4.9
2.1Build & durability4.5
Why is E1 PRO better than Watch Free?
E1 PRO has no measurable advantages in this pair.
Why is Watch Free better than E1 PRO?
- Battery life (smartwatch mode)5 days vs 14 days2.8×
- AMOLED / OLED displayNo · E1 PRO: Yes
- Water resistance3 ATM vs 5 ATM+67%
- Weight45 g vs 32.6 g+38%
- Battery capacity180 mAh vs 230 mAh+28%
Specifications
Side by side
| Design & durability | ||
| Weight | 45 g | 32.6 g |
| Thickness | — | 10.6 mm |
| Height | — | 46 mm |
| Width | — | 29.7 mm |
| Lens / cover glass | 2.5D-Glas | 2.5D-Glas Kristallglas |
| Water resistance | 3 ATM | 5 ATM |
| Water rating (maker) | 3 ATM | 5 bar |
| Display | ||
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | No | Yes |
| Touchscreen | — | Yes |
| Battery | ||
| Battery life (smartwatch mode) | 5 days | 14 days |
| Battery life (hours) | 120 h | — |
| Battery capacity | 180 mAh | 230 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | heart rate, SpO2 | heart rate, SpO2, ambient light |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Connectivity | ||
| Bluetooth | — | 5 |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
