Samsung Gear S vs. Fitbit Alta vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Gear S
Alta
Grayson
Charge 3
Grayson
Vivosmart 4
 SamsungGear SRemove Buy NowFitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$130$350$150$350$130
Release201320162018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days24 hours7 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution480 x 360n/a453 x 45466 x 18453x45448 x 128
Size2 inchesn/a1.39 inches.721 inches1.39 inches0.74 inches
Touchn/a
TypeSuper AMOLEDOLEDAMOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables