Samsung Gear S2 vs. Amazfit Cor vs. Casio WSD-F20A vs. Fitbit Charge HR vs. Amazfit Verge
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| SamsungGear S2Remove Buy Now | AmazfitCorRemove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitCharge HRRemove Buy Now | AmazfitVergeRemove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $79.99 | $399 | $150 | $160 |
| Release | 2015 | 2018 | 2018 | 2015 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2-3 days | 12 days | 1 day | 5 days | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 360 x 360 | 80 x 160 | 320 x 320 | NA | 454x454 |
| Size | 1.2 inches | 1.23 inches | 1.32 inches | NA | 1.39 inches |
| Touch | NA | ||||
| Type | Super AMOLED | IPS LCD | LCD | OLED | OMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP68 | 5 ATM | 5 ATM | 1 ATM | IP68 |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Tizen | Wear OS | NA | AMAZFIT OS | |
| Apps | |||||
| Music | |||||