Samsung Gear S2 vs. Fitbit Flex 2 vs. Fitbit Versa vs. Fitbit Charge HR vs. Amazfit GTR

 
Gear S2
Flex 2
Versa
Charge HR
GTR
 SamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitVersaRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$100$199.99$150$199
Release20152016201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days4 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a300 x300NA454 x 454
Size1.2 inchesn/a1.34 inchesNA1.39 inches
Touchn/aNA
TypeSuper AMOLEDLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNABuild-in
Apps
Music

All Wearables