Samsung Gear S2 vs. Fitbit Alta vs. Casio G-Shock GBA800 vs. Samsung Galaxy Watch vs. Fitbit Charge 3

 
Gear S2
Alta
G-Shock GBA800
Galaxy Watch
Charge 3
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowCasioG-Shock GBA800Remove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$300$130$120$330$150
Release20152016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days2 years7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellularn/aNA
GPSn/a
NFCNA
Wi-Fi

Display

Color
Resolution360 x 360n/a360 x 36066 x 18
Size1.2 inchesn/a1.2 inches or 1.3 inches.721 inches
Touchn/a
TypeSuper AMOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a20 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aTizen OSNA
Apps
MusicSpotify

All Wearables