Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Asus ZenWatch vs. Fitbit Charge 3

 
Moto 360 (2nd Gen)
M400
ZenWatch
Charge 3
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$300$200$150$150
Release2015201420142018

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a320 x 32066 x 18
Size1.37 inches or 1.56 inchesn/a1.63 inches.721 inches
Touch
TypeLCDn/aAMOLEDOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aAndroid WearNA
Apps
Musicn/a

All Wearables