Michael Kors Grayson vs. Fitbit Charge vs. Fitbit Charge HR vs. Jawbone UP24 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Grayson
Charge
Charge HR
UP24
Grayson
T-Rex
 Michael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge HRRemove Buy NowJawboneUP24Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$130$150$130$350$140
Release201820142015201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7-10 days5 days14 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NANANA453x454360 x 360
Size1.39 inchesNANANA1.39 inches1.3 inches
TouchNANANA
TypeAMOLEDOLEDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM1 ATM1 ATMSplash Resistant1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANANAAndroid WearBuild-in
Apps
Music

All Wearables