Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
Flex 2
Vivosmart HR
Grayson
Core
Grayson
VivoActive 4
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$170$350$99$350$349
Release201620152018201620182019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days5 days24 hoursNA24 hours8 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68453 x 454NA453x454260 x 260
Sizen/a1.08 inches1.39 inchesNA1.39 inches1.3ionches
Touchn/aNA
TypeLEDn/aAMOLEDNAAMOLEDMIP

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNAAndroid WearWear OS
Apps
Music

All Wearables