Samsung Gear S2 vs. Fitbit Alta vs. Garmin Vivosmart HR vs. Amazfit Cor vs. Fitbit Charge HR

 
Gear S2
Alta
Vivosmart HR
Cor
Charge HR
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowAmazfitCorRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$300$130$170$79.99$150
Release20152016201520182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days5 days12 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a160 x 6880 x 160NA
Size1.2 inchesn/a1.08 inches1.23 inchesNA
Touchn/aNA
TypeSuper AMOLEDOLEDn/aIPS LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/an/aNA
Apps
Music

All Wearables