Polar M400 vs. Samsung Galaxy Watch vs. Pebble Core vs. Xiaomi Mi Band 3
 | | | | |
| PolarM400Remove Buy Now | SamsungGalaxy WatchRemove Buy Now | PebbleCoreRemove Buy Now | XiaomiMi Band 3Remove Buy Now |
Basic Info | ||||
| Suggested Price | $200 | $330 | $99 | $44.95 |
| Release | 2014 | 2018 | 2016 | 2018 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | NA | |||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | NA | |||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 8 hours to 30 days | 7 days | NA | 20 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | NA | |||
| Windows Phone | n/a | NA | ||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | NA | |||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | n/a | 360 x 360 | NA | 128 x 80 |
| Size | n/a | 1.2 inches or 1.3 inches | NA | 0.78 inches |
| Touch | NA | |||
| Type | n/a | AMOLED | NA | OLED |
Functions | ||||
| Audio Speaker | Alerts only | |||
| Clock | ||||
| Phone | NA | |||
| Vibration | NA | |||
| Voice | ||||
Hardware | ||||
| Accelerometer | NA | |||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 3 ATM | 5 ATM | NA | 5 ATM |
Notifications | ||||
| Phone | NA | |||
| Emails | NA | |||
| Texts | NA | |||
Software | ||||
| Operating System | n/a | Tizen OS | NA | |
| Apps | ||||
| Music | Spotify | |||