ASUS ZenWatch 2 vs. Polar Loop 2 vs. Michael Kors Grayson vs. Jawbone UP3 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
ZenWatch 2
Loop 2
Grayson
UP3
Grayson
T-Rex
 ASUSZenWatch 2Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP3Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$120$350$180$350$140
Release201620152018201320182019

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)24 hours7 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a453 x 454NA453x454360 x 360
Size1.63 inches or 1.45 inchn/a1.39 inchesNA1.39 inches1.3 inches
TouchNA
TypeAMOLEDLEDAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATM1 ATMNA1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid WearBuild-in
Apps
MusicNA

All Wearables