Polar M400 vs. Sony SmartWatch 3 vs. Misfit Flash Link vs. Asus ZenWatch vs. Garmin Vivofit 4
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| PolarM400Remove Buy Now | SonySmartWatch 3Remove Buy Now | MisfitFlash LinkRemove Buy Now | AsusZenWatchRemove Buy Now | GarminVivofit 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $250 | $20 | $150 | $79.95 |
| Release | 2014 | 2014 | 2015 | 2014 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 2 days | 6 months | NA | 1 year |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | n/a | NA | |
| Mac | n/a | n/a | NA | ||
| Windows | n/a | n/a | NA | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 320 x 320 | n/a | 320 x 320 | 88 x 88 |
| Size | n/a | 1.6 inches | n/a | 1.63 inches | NA |
| Touch | n/a | ||||
| Type | n/a | TFT LCD | n/a | AMOLED | NA |
Functions | |||||
| Audio Speaker | Alerts only | Bluetooth | |||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP68 | 3 ATM | IP55 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | Android Wear | n/a | Android Wear | |
| Apps | |||||
| Music | |||||