Casio WSD-F20A vs. Jawbone UP2 vs. Polar A370 vs. Xiaomi Mi Band vs. Xiaomi Mi Band 4
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| CasioWSD-F20ARemove Buy Now | JawboneUP2Remove Buy Now | PolarA370Remove Buy Now | XiaomiMi BandRemove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $399 | $100 | $179.95 | $15 | $25 |
| Release | 2018 | 2015 | 2017 | 2015 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 1 day | 7 days | Up to 3 days | 30 days | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | NA | NA | |||
| Windows | NA | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | NA | ||||
| Resolution | 320 x 320 | NA | 160 x 80 | NA | 120x240 |
| Size | 1.32 inches | NA | 1.18 inches | NA | 0.95 inches |
| Touch | NA | NA | |||
| Type | LCD | NA | TFT LCD | NA | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | Splash resistant | WR30 | IP67 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Wear OS | NA | NA | AMAZFIT OS | |
| Apps | |||||
| Music | |||||