Samsung Gear S2 vs. Withings Activite Sapphire vs. Fitbit Alta vs. Apple Watch Series 2

 
Gear S2
Activite Sapphire
Alta
Watch Series 2
 SamsungGear S2Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy Now

Basic Info

Suggested Price$300$450$130$269
Release2015201420162016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 months5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/an/a340 x 272 or 390 x 312
Size1.2 inches1.3 inchesn/a1.5 inches or 1.65 inches
Touchn/a
TypeSuper AMOLEDAnalogOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMn/a5ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/an/aWatch OS
Apps
Music

All Wearables