Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. LG Watch Sport vs. Garmin 645 Music

 
Moto 360 (2nd Gen)
M400
Watch Sport
645 Music
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowLGWatch SportRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$300$200$349$450
Release2015201420162018

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days1.45 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a480 x 480240 x 240
Size1.37 inches or 1.56 inchesn/a1.38 inches1.2 inches
Touch
TypeLCDn/aP-OLEDMIP

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2
Apps
Musicn/a

All Wearables