Samsung Gear S2 vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Jawbone UP4 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Gear S2
Grayson
Galaxy Watch
UP4
Grayson
T-Rex
 SamsungGear S2Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$350$330$200$350$140
Release201520182018201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days24 hours7 daysNA24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellularn/aNA
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360453 x 454360 x 360NA453x454360 x 360
Size1.2 inches1.39 inches1.2 inches or 1.3 inchesNA1.39 inches1.3 inches
TouchNA
TypeSuper AMOLEDAMOLEDAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP681 ATM5 ATMNA1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid WearTizen OSNAAndroid WearBuild-in
Apps
MusicSpotifyNA

All Wearables