Garmin Forerunner 225 vs. Polar M400 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Jaybird Reign vs. Michael Kors Grayson

 
Forerunner 225
M400
G-Shock GBA800
Grayson
Reign
Grayson
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$200$120$350$150$350
Release201520142018201820152018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days2 years24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a453 x 454NA453x454
Size1 inchn/a1.39 inchesNA1.39 inches
TouchNA
Typen/an/aAMOLEDLEDAMOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM20 ATM1 ATMNA1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Appsn/a
Musicn/a

All Wearables