Asus ZenWatch vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Amazfit GTS vs. Amazfit T-Rex

 
ZenWatch
Grayson
Charge HR
Grayson
GTS
T-Rex
 AsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$350$150$350$150$140
Release201420182015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA24 hours5 days24 hours14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454NA453x454348 x 442360 x 360
Size1.63 inches1.39 inchesNA1.39 inches1.65 inches1.3 inches
TouchNA
TypeAMOLEDAMOLEDOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP551 ATM1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearAndroid WearNAAndroid WearWear OSBuild-in
Apps
Music

All Wearables