Fitbit Alta vs. Garmin 645 Music vs. Garmin Chronos vs. Fitbit Charge HR vs. Garmin Vivofit 4

 
Alta
645 Music
Chronos
Charge HR
Vivofit 4
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowFitbitCharge HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$130$450$1500$150$79.95
Release20162018201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days8 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240218 x 218NA88 x 88
Sizen/a1.2 inches1.2 inchesNANA
Touchn/aNA
TypeOLEDMIPMIPOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM10 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSNA
Apps
Music

All Wearables