Garmin Fenix 3 vs. Garmin Vivosmart HR vs. Fitbit Ionic vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson

 
Fenix 3
Vivosmart HR
Ionic
Grayson
Core
Grayson
 GarminFenix 3Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$500$170$299$350$99$350
Release201520152017201820162018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration50 hours to 6 weeks5 days4+ days24 hoursNA24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218160 x 68348x250453 x 454NA453x454
Size1.2 inches1.08 inches1.421.39 inchesNA1.39 inches
TouchNA
TypeChroma LEDn/aOLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM50m1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aFitbit OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables