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

 
Moto 360 (2nd Gen)
M400
ZenWatch
Charge
Sense 2
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$300$200$150$130$300
Release20152014201420142022

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 daysNA7-10 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a320 x 320NA336x336
Size1.37 inches or 1.56 inchesn/a1.63 inchesNA1.59 inches
TouchNA
TypeLCDn/aAMOLEDOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIP551 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aAndroid WearNA
Apps
Musicn/a

All Wearables