Garmin Forerunner 225 vs. Polar M400 vs. Polar M430 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson

 
Forerunner 225
M400
M430
Grayson
Loop
Grayson
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowPolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$200$255$350$100$350
Release201520142017201820132018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days30 hours24 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/a128x128453 x 454NA453x454
Size1 inchn/a1.4 inch1.39 inchesNA1.39 inches
Touch
Typen/an/aLCDAMOLEDLEDAMOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMWR301 ATM2 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables