Fitbit Flex 2 vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson

 
Flex 2
Cor
G-Shock GBA800
Grayson
Vivofit 4
Grayson
 FitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$79.99$120$350$79.95$350
Release201620182018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days2 years24 hours1 year24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160453 x 45488 x 88453x454
Sizen/a1.23 inches1.39 inchesNA1.39 inches
Touchn/a
TypeLEDIPS LCDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM20 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear
Apps
Music

All Wearables