Fitbit Ionic vs. Garmin 645 Music vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Ionic
645 Music
Grayson
Core
Grayson
Vivosmart 4
 FitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$299$450$350$99$350$130
Release201720182018201620182018

Activity & Fitness

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

Battery

Duration4+ days7 days24 hoursNA24 hours7 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250240 x 240453 x 454NA453x45448 x 128
Size1.421.2 inches1.39 inchesNA1.39 inches0.74 inches
TouchNA
TypeOLEDMIPAMOLEDNAAMOLEDOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM1 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables