Samsung Gear S3 vs. Polar Loop 2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Fitbit Charge 3

 
Gear S3
Loop 2
Stratos
Alta HR
Charge 3
 SamsungGear S3Remove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$350$120$199$150$150
Release20162015201820172018

Activity & Fitness

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

Battery

Duration4 days8 days (without notifications)5 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/aNA
Wi-Fi

Display

Color
Resolution360 x 360n/a320 x 300128 x 3666 x 18
Size1.3 inchesn/a1.34 inches1.4 inches.721 inches
Touch
TypeFullcolor AODLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP682 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aProprietaryNA
Apps
Music

All Wearables