Garmin 645 Music vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Microsoft Band vs. Michael Kors Grayson vs. Amazfit GTR

 
645 Music
Forerunner 235
Grayson
Band
Grayson
GTR
 Garmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowMicrosoftBandRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$450$299.99$350$200$350$199
Release201820172018201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days9 days24 hours2 days24 hours24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240215 x 180453 x 454320 x 106453x454454 x 454
Size1.2 inches1.23 inches1.39 inches1.37 inches1.39 inches1.39 inches
Touch
TypeMIPMIPAMOLEDCapacitative TFTAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables