Amazfit Stratos vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Garmin Forerunner 45
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| AmazfitStratosRemove Buy Now | CasioWSD-F20ARemove Buy Now | GarminForerunner 235Remove Buy Now | FitbitFlexRemove Buy Now | GarminForerunner 45Remove Buy Now |
Basic Info | |||||
| Suggested Price | $199 | $399 | $299.99 | $100 | $199 |
| Release | 2018 | 2018 | 2017 | 2013 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 1 day | 9 days | 5 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 320 x 300 | 320 x 320 | 215 x 180 | NA | 208 x 208 |
| Size | 1.34 inches | 1.32 inches | 1.23 inches | NA | 1.04 inches |
| Touch | NA | ||||
| Type | OLED | LCD | MIP | LED | LCD |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | 5 ATM | 1 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Proprietary | Wear OS | NA | Built-in | |
| Apps | |||||
| Music | |||||