Polar M430 vs. Garmin 645 Music vs. Garmin Vivoactive 3 vs. Michael Kors Access Sofie vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M430
645 Music
Vivoactive 3
Access Sofie
Grayson
Grayson
 PolarM430Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsAccess SofieRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$255$450$299$395$350$350
Release201720182017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7 days7 days1 day24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128240 x 240240 x 240390 x 390 1.19 inches453 x 454453x454
Size1.4 inch1.2 inches1.2 inches1.39 inches1.39 inches
TouchAMOLDED
TypeLCDMIPMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0Android WearAndroid Wear
Apps
Music

All Wearables