Samsung Gear S2 vs. Withings Activite Sapphire vs. Fitbit Charge 2 vs. Samsung Gear Fit2 vs. Xiaomi Mi Band 3
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| SamsungGear S2Remove Buy Now | WithingsActivite SapphireRemove Buy Now | FitbitCharge 2Remove Buy Now | SamsungGear Fit2Remove Buy Now | XiaomiMi Band 3Remove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $450 | $150 | $180 | $44.95 |
| Release | 2015 | 2014 | 2016 | 2016 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2-3 days | 8 months | 5 days | 3-4 days | 20 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | 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 | 360 x 360 | n/a | n/a | 432 x 216 | 128 x 80 |
| Size | 1.2 inches | 1.3 inches | n/a | 1.5 inches | 0.78 inches |
| Touch | n/a | ||||
| Type | Super AMOLED | Analog | OLED | Super AMOLED | OLED |
Functions | |||||
| Audio Speaker | Bluetooth | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP68 | 5 ATM | n/a | IP68 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Tizen | n/a | n/a | Tizen | |
| Apps | |||||
| Music | |||||