Casio WSD-F10 vs. Polar M400 vs. Casio WSD-F20A vs. Fitbit Charge vs. Garmin Vivosmart 4
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| CasioWSD-F10Remove Buy Now | PolarM400Remove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitChargeRemove Buy Now | GarminVivosmart 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $500 | $200 | $399 | $130 | $130 |
| Release | 2016 | 2014 | 2018 | 2014 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | n/a | |||
| Oxygen | n/a | ||||
| Sleep | n/a | ||||
| Steps | |||||
| Swim | n/a | ||||
Battery | |||||
| Duration | n/a | 8 hours to 30 days | 1 day | 7-10 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | n/a | ||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | n/a | ||||
| Cellular | n/a | ||||
| GPS | |||||
| NFC | n/a | ||||
| Wi-Fi | n/a | ||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | 320 x 320 | NA | 48 x 128 |
| Size | n/a | n/a | 1.32 inches | NA | 0.74 inches |
| Touch | n/a | NA | |||
| Type | LCD | n/a | LCD | OLED | OLED |
Functions | |||||
| Audio Speaker | n/a | Alerts only | |||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | |||||
| Voice | n/a | ||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 3 ATM | 5 ATM | 1 ATM | 5 ATM |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | Android Wear | n/a | Wear OS | NA | |
| Apps | n/a | ||||
| Music | n/a | ||||