Apple Watch Series 3 vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Fitbit Charge HR vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Watch Series 3
Grayson
Galaxy Watch
Charge HR
Grayson
T-Rex
 AppleWatch Series 3Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$350$330$150$350$140
Release201720182018201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours24 hours7 days5 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312453 x 454360 x 360NA453x454360 x 360
Size1.5 inches or 1.65 inches1.39 inches1.2 inches or 1.3 inchesNA1.39 inches1.3 inches
TouchNA
TypeAMOLEDAMOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android WearTizen OSNAAndroid WearBuild-in
Apps
MusicSpotify

All Wearables