Samsung Gear S2 vs. Withings Activite Sapphire vs. Fitbit Charge 2 vs. Apple Watch 7
 | | | | |
| SamsungGear S2Remove Buy Now | WithingsActivite SapphireRemove Buy Now | FitbitCharge 2Remove Buy Now | AppleWatch 7Remove Buy Now |
Basic Info | ||||
| Suggested Price | $300 | $450 | $150 | $429 |
| Release | 2015 | 2014 | 2016 | 2021 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 2-3 days | 8 months | 5 days | 18 Hours |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | ||
| Mac | n/a | n/a | ||
| Windows | 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 | 396 x 484 |
| Size | 1.2 inches | 1.3 inches | n/a | 1.9 inches |
| Touch | n/a | |||
| Type | Super AMOLED | Analog | OLED | MicroLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | IP68 | 5 ATM | n/a | water resistant but not waterproof |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Tizen | n/a | n/a | WatchOS 8 |
| Apps | ||||
| Music | ||||