Asus ZenWatch vs. Casio G-Shock GBA800 vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
ZenWatch
G-Shock GBA800
Watch Series 4
Forerunner 45
T-Rex
 AsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$120$329$199$140
Release20142018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA2 yearsNot Yet7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320384 x 480208 x 208360 x 360
Size1.63 inches1.78 inches1.04 inches1.3 inches
Touch
TypeAMOLEDMicroLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP5520 ATMNot Yet5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearWatch OS 5Built-inBuild-in
Apps
Music

All Wearables