Polar M600 vs. Withings Activite Sapphire vs. Fitbit Charge 2 vs. Swatch Touch Zero One vs. Xiaomi Mi Band 4
 | | | | | |
| PolarM600Remove Buy Now | WithingsActivite SapphireRemove Buy Now | FitbitCharge 2Remove Buy Now | SwatchTouch Zero OneRemove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $330 | $450 | $150 | $220 | $25 |
| Release | 2016 | 2014 | 2016 | 2015 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | n/a | ||||
| Steps | |||||
| Swim | n/a | ||||
Battery | |||||
| Duration | 2 days | 8 months | 5 days | n/a | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | n/a | ||||
| iOS | n/a | ||||
| Windows Phone | n/a | n/a | n/a | ||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 240 x 240 | n/a | n/a | n/a | 120x240 |
| Size | 1.3 inches | 1.3 inches | n/a | n/a | 0.95 inches |
| Touch | n/a | n/a | |||
| Type | TFT | Analog | OLED | n/a | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | n/a | |||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | n/a | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | IPX8 | 5 ATM | n/a | 5 ATM | |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | Android Wear | n/a | n/a | n/a | AMAZFIT OS |
| Apps | |||||
| Music | n/a | ||||