Polar M600 vs. Samsung Gear S2 vs. Withings Activite Sapphire vs. Withings Activite Steel vs. Xiaomi Mi Band 4
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| PolarM600Remove Buy Now | SamsungGear S2Remove Buy Now | WithingsActivite SapphireRemove Buy Now | WithingsActivite SteelRemove Buy Now | XiaomiMi Band 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $330 | $300 | $450 | $170 | $25 |
| Release | 2016 | 2015 | 2014 | 2015 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2 days | 2-3 days | 8 months | 8 months | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | n/a | n/a | |
| Mac | n/a | n/a | n/a | ||
| Windows | n/a | n/a | n/a | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 240 x 240 | 360 x 360 | n/a | n/a | 120x240 |
| Size | 1.3 inches | 1.2 inches | 1.3 inches | 1.3 inches | 0.95 inches |
| Touch | n/a | ||||
| Type | TFT | Super AMOLED | Analog | Analog | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IPX8 | IP68 | 5 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Android Wear | Tizen | n/a | n/a | AMAZFIT OS |
| Apps | |||||
| Music | |||||