Polar A360 vs. Michael Kors Grayson vs. Pebble Core vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Xiaomi Mi Band 4
 | | | | | | |
| PolarA360Remove Buy Now | Michael KorsGraysonRemove Buy Now | PebbleCoreRemove Buy Now | GarminForerunner 45Remove Buy Now | Michael KorsGraysonRemove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | ||||||
| Suggested Price | $200 | $350 | $99 | $199 | $350 | $25 |
| Release | 2015 | 2018 | 2016 | 2019 | 2018 | 2019 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | NA | |||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | NA | |||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 12 days | 24 hours | NA | 7 days | 24 hours | 20 days |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | NA | |||||
| Windows Phone | n/a | NA | ||||
| Mac | NA | |||||
| Windows | NA | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 160 x 80 | 453 x 454 | NA | 208 x 208 | 453x454 | 120x240 |
| Size | 1.18 inches | 1.39 inches | NA | 1.04 inches | 1.39 inches | 0.95 inches |
| Touch | NA | |||||
| Type | n/a | AMOLED | NA | LCD | AMOLED | AMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | NA | |||||
| Vibration | NA | |||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | NA | |||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | WR30 | 1 ATM | NA | 5 ATM | 1 ATM | 5 ATM |
Notifications | ||||||
| Phone | NA | |||||
| Emails | NA | |||||
| Texts | NA | |||||
Software | ||||||
| Operating System | n/a | Android Wear | NA | Built-in | Android Wear | AMAZFIT OS |
| Apps | ||||||
| Music | ||||||