Garmin Vivoactive HR vs. Garmin Vivosmart vs. Michael Kors Grayson vs. Polar A370 vs. Apple Watch Series 4 vs. Michael Kors Grayson

 
Vivoactive HR
Vivosmart
Grayson
A370
Watch Series 4
Grayson
 GarminVivoactive HRRemove Buy NowGarminVivosmartRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$170$350$179.95$329$350
Release201620142018201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days7 days24 hoursUp to 3 daysNot Yet24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205128 x 16453 x 454160 x 80384 x 480453x454
Size1.38 inches1.41 inches1.39 inches1.18 inches1.78 inches1.39 inches
Touch
Typen/aOLEDAMOLEDTFT LCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMWR30Not Yet1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearWatch OS 5Android Wear
Apps
Music

All Wearables