Polar Loop 2 vs. Samsung Gear Fit2 vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Loop 2
Gear Fit2
Grayson
Galaxy Watch
Grayson
T-Rex
 PolarLoop 2Remove Buy NowSamsungGear Fit2Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$180$350$330$350$140
Release201520162018201820182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)3-4 days24 hours7 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a432 x 216453 x 454360 x 360453x454360 x 360
Sizen/a1.5 inches1.39 inches1.2 inches or 1.3 inches1.39 inches1.3 inches
Touch
TypeLEDSuper AMOLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP681 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenAndroid WearTizen OSAndroid WearBuild-in
Apps
MusicSpotify

All Wearables