Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Amazfit Stratos vs. Casio WSD-F20A vs. Fitbit Alta HR
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| FitbitFlex 2Remove Buy Now | GarminVivosmart HRRemove Buy Now | AmazfitStratosRemove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitAlta HRRemove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $170 | $199 | $399 | $150 |
| Release | 2016 | 2015 | 2018 | 2018 | 2017 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 5 days | 5 days | 1 day | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 160 x 68 | 320 x 300 | 320 x 320 | 128 x 36 |
| Size | n/a | 1.08 inches | 1.34 inches | 1.32 inches | 1.4 inches |
| Touch | n/a | ||||
| Type | LED | n/a | OLED | LCD | OLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | 5 ATM | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Proprietary | Wear OS | |
| Apps | |||||
| Music | |||||