ASUS ZenWatch 2 vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Jawbone UP3 vs. Amazfit T-Rex

 
ZenWatch 2
Loop 2
ZenWatch 3
UP3
T-Rex
 ASUSZenWatch 2Remove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowJawboneUP3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$120$229$180$140
Release20162015201720132019

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)48 hours7 days20 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 400NA360 x 360
Size1.63 inches or 1.45 inchn/a1.39 inchesNA1.3 inches
TouchNA
TypeAMOLEDLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATMNA5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid Wear 2NABuild-in
Apps
MusicNA

All Wearables