Garmin Vivoactive HR vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Fitbit Sense 2

 
Vivoactive HR
645 Music
Forerunner 235
Grayson
Grayson
Sense 2
 GarminVivoactive HRRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$250$450$299.99$350$350$300
Release201620182017201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days7 days9 days24 hours24 hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205240 x 240215 x 180453 x 454453x454336x336
Size1.38 inches1.2 inches1.23 inches1.39 inches1.39 inches1.59 inches
Touch
Typen/aMIPMIPAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear
Apps
Music

All Wearables