Garmin Vivofit 3 vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Jawbone UP4 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivofit 3
Grayson
Vivosmart 3
UP4
Grayson
T-Rex
 GarminVivofit 3Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowJawboneUP4Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$350$139.99$200$350$140
Release201620182017201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration1 year24 hours5 daysNA24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution64 x 64453 x 45464 x 128NA453x454360 x 360
Size0.55 inches1.39 inchesNANA1.39 inches1.3 inches
TouchNA
Typen/aAMOLEDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMNA1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearBuild-in
Apps
MusicNA

All Wearables