Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Charge HR vs. Amazfit GTS vs. HTC re Grip
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| AmazfitStratosRemove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitCharge HRRemove Buy Now | AmazfitGTSRemove Buy Now | HTCre GripRemove Buy Now |
Basic Info | |||||
| Suggested Price | $199 | $399 | $150 | $150 | $199 |
| Release | 2018 | 2018 | 2015 | 2019 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 1 day | 5 days | 14 days | 5 hours to 2.5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 320 x 300 | 320 x 320 | NA | 348 x 442 | 160 x 32 |
| Size | 1.34 inches | 1.32 inches | NA | 1.65 inches | 1.8 inches |
| Touch | NA | ||||
| Type | OLED | LCD | OLED | AMOLED | PMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | 1 ATM | 5 ATM | IP57 |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Proprietary | Wear OS | NA | Wear OS | NA |
| Apps | |||||
| Music | |||||