Polar M600 vs. Polar M430 vs. Amazfit Cor vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M600
M430
Cor
645 Music
Grayson
Grayson
 PolarM600Remove Buy NowPolarM430Remove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$255$79.99$450$350$350
Release201620172018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days30 hours12 days7 days24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128x12880 x 160240 x 240453 x 454453x454
Size1.3 inches1.4 inch1.23 inches1.2 inches1.39 inches1.39 inches
Touchn/a
TypeTFTLCDIPS LCDMIPAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8WR305 ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables