Sony SmartWatch 3 vs. Garmin Vivosmart HR vs. Garmin 645 Music vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
SmartWatch 3
Vivosmart HR
645 Music
Grayson
A370
Grayson
 SonySmartWatch 3Remove Buy NowGarminVivosmart HRRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$170$450$350$179.95$350
Release201420152018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320160 x 68240 x 240453 x 454160 x 80453x454
Size1.6 inches1.08 inches1.2 inches1.39 inches1.18 inches1.39 inches
Touch
TypeTFT LCDn/aMIPAMOLEDTFT LCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM1 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearAndroid Wear
Apps
Music

All Wearables