Michael Kors Grayson vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple SE

 
Grayson
Alta HR
Vivofit 4
Grayson
T-Rex
SE
 Michael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$350$150$79.95$350$140$279
Release201820172018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7 days1 year24 hours20 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454128 x 3688 x 88453x454360 x 360384 x 480
Size1.39 inches1.4 inchesNA1.39 inches1.3 inches40mm
Touch
TypeAMOLEDOLEDNAAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearBuild-inWatchOS 5
Apps
Music

All Wearables