ASUS ZenWatch 3 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Amazfit T-Rex vs. Apple Watch Ultra

 
ZenWatch 3
G-Shock GBA800
Forerunner 45
T-Rex
Watch Ultra
 ASUSZenWatch 3Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$229$120$199$140$799
Release20172018201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours2 years7 days20 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400208 x 208360 x 360502x410 pixels
Size1.39 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 Resistance20 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Built-inBuild-inWatchOS 9
Apps
Music

All Wearables