Samsung Gear S2 vs. Withings Activite Sapphire vs. Amazfit Stratos vs. Asus ZenWatch vs. Polar Loop
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| SamsungGear S2Remove Buy Now | WithingsActivite SapphireRemove Buy Now | AmazfitStratosRemove Buy Now | AsusZenWatchRemove Buy Now | PolarLoopRemove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $450 | $199 | $150 | $100 |
| Release | 2015 | 2014 | 2018 | 2014 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2-3 days | 8 months | 5 days | NA | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | NA | |
| Mac | n/a | n/a | NA | NA | |
| Windows | n/a | n/a | NA | NA | |
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 360 x 360 | n/a | 320 x 300 | 320 x 320 | NA |
| Size | 1.2 inches | 1.3 inches | 1.34 inches | 1.63 inches | NA |
| Touch | |||||
| Type | Super AMOLED | Analog | OLED | AMOLED | LED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IP68 | 5 ATM | 5 ATM | IP55 | 2 ATM |
Notifications | |||||
| Phone | |||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | Tizen | n/a | Proprietary | Android Wear | NA |
| Apps | |||||
| Music | |||||