Samsung Gear S2 vs. Polar Loop 2 vs. Garmin Chronos vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Gear S2
Loop 2
Chronos
Flex
Vivosmart 4
 SamsungGear S2Remove Buy NowPolarLoop 2Remove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$120$1500$100$130
Release20152015201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 days (without notifications)8 days5 days7 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/a218 x 218NA48 x 128
Size1.2 inchesn/a1.2 inchesNA0.74 inches
TouchNA
TypeSuper AMOLEDLEDMIPLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP682 ATM10 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OSNA
Apps
Music

All Wearables