ASUS ZenWatch 2 vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Amazfit GTR vs. Amazfit T-Rex

 
ZenWatch 2
Watch Series 4
Forerunner 45
GTR
T-Rex
 ASUSZenWatch 2Remove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$329$199$199$140
Release20162018201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/aNot Yet7 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320384 x 480208 x 208454 x 454360 x 360
Size1.63 inches or 1.45 inch1.78 inches1.04 inches1.39 inches1.3 inches
Touch
TypeAMOLEDMicroLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67Not Yet5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

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

All Wearables