Fitbit Alta vs. Fitbit Charge 2 vs. Garmin Vivofit 3 vs. Garmin Vivosmart HR vs. Garmin 645 Music

 
Alta
Charge 2
Vivofit 3
Vivosmart HR
645 Music
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowGarminVivofit 3Remove Buy NowGarminVivosmart HRRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$130$150$100$170$450
Release20162016201620152018

Activity & Fitness

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

Battery

Duration5 days5 days1 year5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a64 x 64160 x 68240 x 240
Sizen/an/a0.55 inches1.08 inches1.2 inches
Touchn/an/a
TypeOLEDOLEDn/an/aMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/an/a
Apps
Music

All Wearables