Fitbit Alta vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Charge 3

 
Alta
645 Music
Charge
Charge 3
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$130$450$130$150
Release2016201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7-10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA66 x 18
Sizen/a1.2 inchesNA.721 inches
Touchn/aNA
TypeOLEDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables