Apple Watch Series 2 vs. Apple Watch vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
Watch Series 2
Watch
ZenWatch
G-Shock GBA800
T-Rex
 AppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$269$349$150$120$140
Release20162015201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hoursNA2 years20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312320 x 320360 x 360
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.63 inches1.3 inches
Touch
TypeAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMIPX7IP5520 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemWatch OSWatch OSAndroid WearBuild-in
Apps
Music

All Wearables