Casio G-Shock GBA800 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Amazfit Verge vs. Michael Kors Grayson

 
G-Shock GBA800
645 Music
Grayson
Charge HR
Verge
Grayson
 CasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitVergeRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$450$350$150$160$350
Release201820182018201520192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years7 days24 hours5 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240453 x 454NA454x454453x454
Size1.2 inches1.39 inchesNA1.39 inches1.39 inches
TouchNA
TypeMIPAMOLEDOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM5 ATM1 ATM1 ATMIP681 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAMAZFIT OSAndroid Wear
Apps
Music

All Wearables