9.7Build & durability2.1
Dimensions
Size comparison
Helio CoreLoop
| Helio Core | Loop | Difference | |
|---|---|---|---|
| Height | 24.3 mm | 42 mm | −17.7 mm |
| Width | 33.9 mm | 27 mm | +6.9 mm |
| Thickness | 9.6 mm | 9 mm | +0.6 mm |
| Weight | 11 g | 29 g | −18 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Helio Core better than Loop?
- Weight11.2 g vs 29 g2.6×
- Battery life (smartwatch mode)10 days vs 8 days+25%
- Water resistance5 ATM vs 3 ATM+67%
- Battery capacity232 mAh vs 170 mAh+36%
Why is Loop better than Helio Core?
- Thickness9.6 mm vs 9 mm+7%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 27 mm |
| Weight | 11.2 g | 29 g |
| Thickness | 9.6 mm | 9 mm |
| Height | 24.3 mm | 42 mm |
| Width | 33.9 mm | 27 mm |
| Case material | Plastic / polymer | Stainless steel |
| Water resistance | 5 ATM | 3 ATM |
| Water rating (maker) | — | WR30 |
| Colours | — | Greige Sand, Brown Copper, Night Black, Black Cherry, Ice Cream |
| Display | ||
| Display technology | No display | — |
| Panel | — | None |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | 8 days |
| Battery capacity | 232 mAh | 170 mAh |
| Battery type | — | Li-Pol |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Skin temperature | — | No |
| HRV tracking | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | — | Accelerometer |
| Sports & navigation | ||
| Built-in GPS | No | — |
| Offline maps | — | No |
| LED flashlight | — | No |
| Connectivity | ||
| Bluetooth | 5.2 | — |
| Platform | ||
| Operating system | — | Polar OS |
| Platform | Proprietary | Proprietary |
| Works with | iOS, Android | Android, iOS |
