Apple Watch vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Watch
G-Shock GBA800
Grayson
Galaxy Watch
Grayson
T-Rex
 AppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$349$120$350$330$350$140
Release201520182018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2 years24 hours7 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312453 x 454360 x 360453x454360 x 360
Size1.5 inches or 1.65 inches1.39 inches1.2 inches or 1.3 inches1.39 inches1.3 inches
Touch
TypeAMOLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX720 ATM1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSAndroid WearTizen OSAndroid WearBuild-in
Apps
MusicSpotify

All Wearables