Garmin Forerunner 225 vs. Amazfit Cor vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
Forerunner 225
Cor
Grayson
Vivofit 4
Grayson
 GarminForerunner 225Remove Buy NowAmazfitCorRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$79.99$350$79.95$350
Release20152018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks12 days24 hours1 year24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 18080 x 160453 x 45488 x 88453x454
Size1 inch1.23 inches1.39 inchesNA1.39 inches
Touch
Typen/aIPS LCDAMOLEDNAAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid WearAndroid Wear
Appsn/a
Musicn/a

All Wearables