Samsung Gear S3 vs. Polar Loop 2 vs. Amazfit Stratos vs. Asus ZenWatch vs. Fitbit Alta HR

 
Gear S3
Loop 2
Stratos
ZenWatch
Alta HR
 SamsungGear S3Remove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$350$120$199$150$150
Release20162015201820142017

Activity & Fitness

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

Battery

Duration4 days8 days (without notifications)5 daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution360 x 360n/a320 x 300320 x 320128 x 36
Size1.3 inchesn/a1.34 inches1.63 inches1.4 inches
Touch
TypeFullcolor AODLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP682 ATM5 ATMIP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemTizenn/aProprietaryAndroid Wear
Apps
Music

All Wearables