Samsung Gear S2 vs. Garmin 645 Music vs. Garmin Vivoactive 3 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
Gear S2
645 Music
Vivoactive 3
Grayson
Grayson
VivoActive 4
 SamsungGear S2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoactive 3Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$450$299$350$350$349
Release201520182017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days7 days7 days24 hours24 hours8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360240 x 240240 x 240453 x 454453x454260 x 260
Size1.2 inches1.2 inches1.2 inches1.39 inches1.39 inches1.3ionches
Touch
TypeSuper AMOLEDMIPMIPAMOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid WearAndroid WearWear OS
Apps
Music

All Wearables