Garmin Forerunner 225 vs. Polar M400 vs. Amazfit Pace vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Forerunner 225
M400
Pace
645 Music
Grayson
Grayson
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowAmazfitPaceRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$300$200$130$450$350$350
Release201520142017201820182018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days5 days7 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a320 x 300240 x 240453 x 454453x454
Size1 inchn/a1.34 inches1.2 inches1.39 inches1.39 inches
Touch
Typen/an/aTFT LCDMIPAMOLEDAMOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP675 ATM1 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aProprietaryAndroid WearAndroid Wear
Appsn/a
Musicn/a

All Wearables