Samsung Gear S2 vs. Apple Watch vs. Fitbit Alta HR vs. Fitbit Flex vs. Fitbit Versa 2

 
Gear S2
Watch
Alta HR
Flex
Versa 2
 SamsungGear S2Remove Buy NowAppleWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$300$349$150$100$199
Release20152015201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days18 hours7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360340 x 272 or 390 x 312128 x 36NA300 x 300
Size1.2 inches1.5 inches or 1.65 inches1.4 inchesNA1.34 inches
TouchNA
TypeSuper AMOLEDAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IPX71 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWatch OSNABuild-in
Apps
Music

All Wearables