Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Pebble Core vs. Michael Kors Grayson

 
Flex 2
G-Shock GBA800
Grayson
Charge 3
Core
Grayson
 FitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$120$350$150$99$350
Release201620182018201820162018

Activity & Fitness

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

Battery

Duration5 days2 years24 hours7 daysNA24 hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 45466 x 18NA453x454
Sizen/a1.39 inches.721 inchesNA1.39 inches
Touchn/aNA
TypeLEDAMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM1 ATM5 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables