ASUS ZenWatch 2 vs. Polar M400 vs. Withings Activite Sapphire vs. Xiaomi Mi Band 2 vs. Garmin 645 Music
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| ASUSZenWatch 2Remove Buy Now | PolarM400Remove Buy Now | WithingsActivite SapphireRemove Buy Now | XiaomiMi Band 2Remove Buy Now | Garmin645 MusicRemove Buy Now |
Basic Info | |||||
| Suggested Price | $150 | $200 | $450 | $23 | $450 |
| Release | 2016 | 2014 | 2014 | 2016 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | n/a | ||||
| Swim | |||||
Battery | |||||
| Duration | n/a | 8 hours to 30 days | 8 months | 20 hours | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | n/a | ||
| Mac | n/a | n/a | n/a | ||
| Windows | n/a | n/a | n/a | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 320 x 320 | n/a | n/a | n/a | 240 x 240 |
| Size | 1.63 inches or 1.45 inch | n/a | 1.3 inches | 0.42 inches | 1.2 inches |
| Touch | |||||
| Type | AMOLED | n/a | Analog | OLED | MIP |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP67 | 3 ATM | 5 ATM | IP67 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | Android Wear | n/a | n/a | n/a | |
| Apps | |||||
| Music | |||||