Asus ZenWatch vs. Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Apple Watch Series 5 vs. Amazfit T-Rex

 
ZenWatch
G-Shock GBA800
Alta HR
Watch Series 5
T-Rex
 AsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$120$150$329$140
Release20142018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA2 years7 daysNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320128 x 36384 x 480360 x 360
Size1.63 inches1.4 inches1.78 Inches1.3 inches
Touch
TypeAMOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP5520 ATMNot Yet5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearWatchOS 5Build-in
Apps
Music

All Wearables