Garmin Vivoactive HR vs. Michael Kors Grayson vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Vivoactive HR
Grayson
Flex
Forerunner 45
Grayson
Vivosmart 4
 GarminVivoactive HRRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$350$100$199$350$130
Release201620182013201920182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days24 hours5 days7 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205453 x 454NA208 x 208453x45448 x 128
Size1.38 inches1.39 inchesNA1.04 inches1.39 inches0.74 inches
TouchNA
Typen/aAMOLEDLEDLCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNABuilt-inAndroid Wear
Apps
Music

All Wearables