Garmin Forerunner 935 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Michael Kors Grayson vs. Fitbit Sense 2

 
Forerunner 935
645 Music
Grayson
Vivosmart 3
Grayson
Sense 2
 GarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$500$450$350$139.99$350$300
Release201720182018201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks7 days24 hours5 days24 hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240453 x 45464 x 128453x454336x336
Size1.2 inches1.2 inches1.39 inchesNA1.39 inches1.59 inches
Touch
TypeLCDMIPAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wear
Apps
Music

All Wearables