ASUS ZenWatch 2 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Fitbit Flex vs. Michael Kors Grayson vs. Amazfit T-Rex

 
ZenWatch 2
Grayson
Alta HR
Flex
Grayson
T-Rex
 ASUSZenWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$350$150$100$350$140
Release201620182017201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a24 hours7 days5 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454128 x 36NA453x454360 x 360
Size1.63 inches or 1.45 inch1.39 inches1.4 inchesNA1.39 inches1.3 inches
TouchNA
TypeAMOLEDAMOLEDOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables