ASUS ZenWatch 3 vs. Asus VivoWatch vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Amazfit T-Rex

 
ZenWatch 3
VivoWatch
Grayson
Flex
Grayson
T-Rex
 ASUSZenWatch 3Remove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$229$160$350$100$350$140
Release201720182018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours24 hours to 10 days24 hours5 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400128 x 128453 x 454NA453x454360 x 360
Size1.39 inchesNA1.39 inchesNA1.39 inches1.3 inches
TouchNA
TypeAMOLEDNAAMOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2KoodOSAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables