Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Charge 2
Vivosmart HR
Grayson
Forerunner 45
Grayson
Vivosmart 4
 FitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$170$350$199$350$130
Release201620152018201920182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hours7 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68453 x 454208 x 208453x45448 x 128
Sizen/a1.08 inches1.39 inches1.04 inches1.39 inches0.74 inches
Touchn/a
TypeOLEDn/aAMOLEDLCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearBuilt-inAndroid Wear
Apps
Music

All Wearables