Motorola Moto 360 (2nd Gen) vs. Polar A360 vs. Garmin 645 Music vs. Fitbit Charge 3

 
Moto 360 (2nd Gen)
A360
645 Music
Charge 3
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarA360Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$300$200$450$150
Release2015201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days12 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330160 x 80240 x 24066 x 18
Size1.37 inches or 1.56 inches1.18 inches1.2 inches.721 inches
Touch
TypeLCDn/aMIPOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67WR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNA
Apps
Musicn/a

All Wearables