Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. ASUS ZenWatch 3 vs. Acer Liquid Leap vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
M400
ZenWatch 3
Liquid Leap
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowAcerLiquid LeapRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$200$229$90$140
Release20152014201720152019

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days48 hours5 to 7 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a400 x 400128 x 32360 x 360
Size1.37 inches or 1.56 inchesn/a1.39 inches1 inch1.3 inches
Touch
TypeLCDn/aAMOLEDOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIPX45 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2Build-in
Apps
Musicn/a

All Wearables