ASUS ZenWatch 2 vs. Garmin 645 Music vs. Garmin Vivoactive 3 vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
ZenWatch 2
645 Music
Vivoactive 3
Watch Series 4
T-Rex
 ASUSZenWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoactive 3Remove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$450$299$329$140
Release20162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days7 daysNot Yet20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240240 x 240384 x 480360 x 360
Size1.63 inches or 1.45 inch1.2 inches1.2 inches1.78 inches1.3 inches
Touch
TypeAMOLEDMIPMIPMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWatch OS 5Build-in
Apps
Music

All Wearables