Michael Kors Grayson vs. Fitbit Charge 3 vs. Jaybird Reign vs. LG G Watch R vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Grayson
Charge 3
Reign
G Watch R
Grayson
T-Rex
 Michael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowJaybirdReignRemove Buy NowLGG Watch RRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$150$150$300$350$140
Release201820182015201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7 days5 days2 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
MacNAn/a
WindowsNot yetNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution453 x 45466 x 18NA320 x 320453x454360 x 360
Size1.39 inches.721 inchesNA1.3 inches1.39 inches1.3 inches
TouchNA
TypeAMOLEDOLEDLEDP-OLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATMNAIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANAAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables