Samsung Gear S3 vs. Amazfit Stratos vs. Fitbit Charge 3 vs. Samsung Gear Fit vs. Amazfit T-Rex

 
Gear S3
Stratos
Charge 3
Gear Fit
T-Rex
 SamsungGear S3Remove Buy NowAmazfitStratosRemove Buy NowFitbitCharge 3Remove Buy NowSamsungGear FitRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$199$150$150$140
Release20162018201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration4 days5 days7 days2-3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNot yetNA

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/aNA
Wi-Fi

Display

Color
Resolution360 x 360320 x 30066 x 18432 x 128360 x 360
Size1.3 inches1.34 inches.721 inches1.84 inches1.3 inches
Touch
TypeFullcolor AODOLEDOLEDSuper AMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenProprietaryNANABuild-in
Apps
Music

All Wearables