Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Amazfit Stratos vs. Asus ZenWatch

 
Moto 360 (2nd Gen)
M400
Stratos
ZenWatch
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowAmazfitStratosRemove Buy NowAsusZenWatchRemove Buy Now

Basic Info

Suggested Price$300$200$199$150
Release2015201420182014

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a320 x 300320 x 320
Size1.37 inches or 1.56 inchesn/a1.34 inches1.63 inches
Touch
TypeLCDn/aOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATMIP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aProprietaryAndroid Wear
Apps
Musicn/a

All Wearables