Garmin Forerunner 225 vs. Polar M430 vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Forerunner 225
M430
Cor
G-Shock GBA800
Grayson
Grayson
 GarminForerunner 225Remove Buy NowPolarM430Remove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$255$79.99$120$350$350
Release201520172018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks30 hours12 days2 years24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180128x12880 x 160453 x 454453x454
Size1 inch1.4 inch1.23 inches1.39 inches1.39 inches
Touch
Typen/aLCDIPS LCDAMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM20 ATM1 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables