ASUS ZenWatch 2 vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Amazfit T-Rex

 
ZenWatch 2
Loop 2
ZenWatch 3
ZenWatch
T-Rex
 ASUSZenWatch 2Remove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$120$229$150$140
Release20162015201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 days (without notifications)48 hoursNA20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a400 x 400320 x 320360 x 360
Size1.63 inches or 1.45 inchn/a1.39 inches1.63 inches1.3 inches
Touch
TypeAMOLEDLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATMIP555 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid Wearn/aAndroid Wear 2Android WearBuild-in
Apps
Music

All Wearables