Polar M400 vs. Asus ZenWatch vs. Samsung Galaxy Watch vs. Jaybird Reign vs. Diesel On Full Guard 2.5
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| PolarM400Remove Buy Now | AsusZenWatchRemove Buy Now | SamsungGalaxy WatchRemove Buy Now | JaybirdReignRemove Buy Now | DieselOn Full Guard 2.5Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $150 | $330 | $150 | $325 |
| Release | 2014 | 2014 | 2018 | 2015 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | NA | 7 days | 5 days | 4 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | NA | ||
| Mac | NA | NA | |||
| Windows | NA | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | NA | ||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 320 x 320 | 360 x 360 | NA | 454x454 |
| Size | n/a | 1.63 inches | 1.2 inches or 1.3 inches | NA | 1.39 inches |
| Touch | NA | ||||
| Type | n/a | AMOLED | AMOLED | LED | |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP55 | 5 ATM | NA | 3 ATM |
Notifications | |||||
| Phone | |||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | Android Wear | Tizen OS | NA | Wear OS |
| Apps | |||||
| Music | Spotify | ||||