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

 
Moto 360 (2nd Gen)
Alta
645 Music
Charge
Charge 3
 MotorolaMoto 360 (2nd Gen)Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$300$130$450$130$150
Release20152016201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days5 days7 days7-10 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a240 x 240NA66 x 18
Size1.37 inches or 1.56 inchesn/a1.2 inchesNA.721 inches
Touchn/aNA
TypeLCDOLEDMIPOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aNANA
Apps
Musicn/a

All Wearables