Polar M430 vs. Amazfit Cor vs. Michael Kors Grayson vs. Fitbit Versa 2 vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
M430
Cor
Grayson
Versa 2
Grayson
VivoActive 4
 PolarM430Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$255$79.99$350$199$350$349
Release201720182018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours12 days24 hours5 days24 hours8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x12880 x 160453 x 454300 x 300453x454260 x 260
Size1.4 inch1.23 inches1.39 inches1.34 inches1.39 inches1.3ionches
Touch
TypeLCDIPS LCDAMOLEDAMOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearBuild-inAndroid WearWear OS
Apps
Music

All Wearables