Samsung Gear S vs. Samsung Gear S2 vs. Garmin Vivosmart HR vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Gear S
Gear S2
Vivosmart HR
Flex
Vivosmart 4
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$300$170$100$130
Release20132015201520132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days5 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution480 x 360360 x 360160 x 68NA48 x 128
Size2 inches1.2 inches1.08 inchesNA0.74 inches
TouchNA
TypeSuper AMOLEDSuper AMOLEDn/aLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP685 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenn/aNA
Apps
Music

All Wearables