Polar Loop 2 vs. Amazfit Cor vs. Casio WSD-F20A vs. Fossil Explorist vs. Garmin Forerunner 45
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| PolarLoop 2Remove Buy Now | AmazfitCorRemove Buy Now | CasioWSD-F20ARemove Buy Now | FossilExploristRemove Buy Now | GarminForerunner 45Remove Buy Now |
Basic Info | |||||
| Suggested Price | $120 | $79.99 | $399 | $255 | $199 |
| Release | 2015 | 2018 | 2018 | 2018 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 days (without notifications) | 12 days | 1 day | 24 hours | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 80 x 160 | 320 x 320 | 454 x454 | 208 x 208 |
| Size | n/a | 1.23 inches | 1.32 inches | 1.4 inches | 1.04 inches |
| Touch | |||||
| Type | LED | IPS LCD | LCD | AMOLED | LCD |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 2 ATM | 5 ATM | 5 ATM | IP67 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Wear OS | Wear OS | Built-in | |
| Apps | |||||
| Music | |||||