Michael Kors Grayson vs. Samsung Gear 2 vs. Fitbit Charge vs. Pebble Core vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Grayson
Gear 2
Charge
Core
Grayson
Vivosmart 4
 Michael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowFitbitChargeRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$350$300$130$99$350$130
Release201820142014201620182018

Activity & Fitness

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

Battery

Duration24 hours2-3 days7-10 daysNA24 hours7 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454320 x 320NANA453x45448 x 128
Size1.39 inches1.63 inchesNANA1.39 inches0.74 inches
TouchNANA
TypeAMOLEDSuper AMOLEDOLEDNAAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMIP671 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid WearTizen OSNANAAndroid Wear
Apps
Music

All Wearables