Polar M430 vs. Apple Watch vs. Fitbit Alta HR vs. Michael Kors Access Sofie HR vs. Xiaomi Mi Band 4
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| PolarM430Remove Buy Now | AppleWatchRemove Buy Now | FitbitAlta HRRemove Buy Now | Michael KorsAccess Sofie HRRemove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $255 | $349 | $150 | $395 | $25 |
| Release | 2017 | 2015 | 2017 | 2019 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 30 hours | 18 hours | 7 days | 2 days | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 128x128 | 340 x 272 or 390 x 312 | 128 x 36 | 390 x 390 | 120x240 |
| Size | 1.4 inch | 1.5 inches or 1.65 inches | 1.4 inches | 1.19 inches | 0.95 inches |
| Touch | |||||
| Type | LCD | AMOLED | OLED | OMOLED | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | WR30 | IPX7 | 0.3 ATM | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Watch OS | Wear OS | AMAZFIT OS | ||
| Apps | |||||
| Music | |||||