Garmin Vivosmart HR vs. Polar A360 vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivosmart HR
A360
Vivoactive 3
Grayson
Grayson
T-Rex
 GarminVivosmart HRRemove Buy NowPolarA360Remove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$200$299$350$350$140
Release201520152017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days7 days24 hours24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68160 x 80240 x 240453 x 454453x454360 x 360
Size1.08 inches1.18 inches1.2 inches1.39 inches1.39 inches1.3 inches
Touch
Typen/an/aMIPAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables