Polar M600 vs. Withings Activite Sapphire vs. Fitbit Charge 2 vs. Asus VivoWatch vs. Asus ZenWatch
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| PolarM600Remove Buy Now | WithingsActivite SapphireRemove Buy Now | FitbitCharge 2Remove Buy Now | AsusVivoWatchRemove Buy Now | AsusZenWatchRemove Buy Now |
Basic Info | |||||
| Suggested Price | $330 | $450 | $150 | $160 | $150 |
| Release | 2016 | 2014 | 2016 | 2018 | 2014 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2 days | 8 months | 5 days | 24 hours to 10 days | NA |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | NA | |
| Mac | n/a | NA | NA | ||
| Windows | n/a | NA | NA | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 240 x 240 | n/a | n/a | 128 x 128 | 320 x 320 |
| Size | 1.3 inches | 1.3 inches | n/a | NA | 1.63 inches |
| Touch | n/a | n/a | |||
| Type | TFT | Analog | OLED | NA | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | NA | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | IPX8 | 5 ATM | n/a | IP67 | IP55 |
Notifications | |||||
| Phone | |||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | Android Wear | n/a | n/a | KoodOS | Android Wear |
| Apps | |||||
| Music | |||||