Polar M600 vs. Polar M430 vs. Amazfit Cor vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Michael Kors Grayson

 
M600
M430
Cor
Grayson
Charge HR
Grayson
 PolarM600Remove Buy NowPolarM430Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$255$79.99$350$150$350
Release201620172018201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days30 hours12 days24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128x12880 x 160453 x 454NA453x454
Size1.3 inches1.4 inch1.23 inches1.39 inchesNA1.39 inches
Touchn/aNA
TypeTFTLCDIPS LCDAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8WR305 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearNAAndroid Wear
Apps
Music

All Wearables