ASUS ZenWatch 2 vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple Watch 7

 
ZenWatch 2
Grayson
Charge HR
Grayson
T-Rex
Watch 7
 ASUSZenWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$350$150$350$140$429
Release201620182015201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a24 hours5 days24 hours20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320453 x 454NA453x454360 x 360396 x 484
Size1.63 inches or 1.45 inch1.39 inchesNA1.39 inches1.3 inches1.9 inches
TouchNA
TypeAMOLEDAMOLEDOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM1 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid WearNAAndroid WearBuild-inWatchOS 8
Apps
Music

All Wearables