Polar M400 vs. Withings Activite Steel vs. Fitbit Ionic vs. Garmin Fenix 5s vs. Asus VivoWatch
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| PolarM400Remove Buy Now | WithingsActivite SteelRemove Buy Now | FitbitIonicRemove Buy Now | GarminFenix 5sRemove Buy Now | AsusVivoWatchRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $170 | $299 | $599.99 | $160 |
| Release | 2014 | 2015 | 2017 | 2017 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 8 months | 4+ days | Up to 9 days | 24 hours to 10 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | 348x250 | 218x 218 | 128 x 128 |
| Size | n/a | 1.3 inches | 1.42 | 1.1 inches | NA |
| Touch | |||||
| Type | n/a | Analog | OLED | na | NA |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | NA | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5 ATM | 50m | 10ATM | IP67 |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Fitbit OS | KoodOS | |
| Apps | |||||
| Music | |||||