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

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

Basic Info

Suggested Price$150$120$199$140$799
Release20142018201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA2 years7 days20 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320208 x 208360 x 360502x410 pixels
Size1.63 inches1.04 inches1.3 inches1.92 inches
Touch
TypeAMOLEDLCDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP5520 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearBuilt-inBuild-inWatchOS 9
Apps
Music

All Wearables