Pebble Steel vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Garmin Vivofit 4 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Steel
Grayson
Galaxy Watch
Vivofit 4
Grayson
T-Rex
 PebbleSteelRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$350$330$79.95$350$140
Release201420182018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days24 hours7 days1 year24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144453 x 454360 x 36088 x 88453x454360 x 360
Size1.26 inches1.39 inches1.2 inches or 1.3 inchesNA1.39 inches1.3 inches
Touch
Typee-paperAMOLEDAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearTizen OSAndroid WearBuild-in
Apps
MusicSpotify

All Wearables