Michael Kors Grayson vs. Jawbone UP24 vs. Jaybird Reign vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple Series 6

 
Grayson
UP24
Reign
Grayson
T-Rex
Series 6
 Michael KorsGraysonRemove Buy NowJawboneUP24Remove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$350$130$150$350$140$399
Release201820132015201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours14 days5 days24 hours20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NANA453x454360 x 360384 x 480
Size1.39 inchesNANA1.39 inches1.3 inches40mm
TouchNANA
TypeAMOLEDNALEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance1 ATMSplash ResistantNA1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANAAndroid WearBuild-inWatchOS 5
Apps
Music

All Wearables