Fitbit Alta vs. Garmin Vivosmart HR vs. Amazfit Cor vs. Garmin 645 Music vs. Fitbit Charge 3

 
Alta
Vivosmart HR
Cor
645 Music
Charge 3
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$130$170$79.99$450$150
Release20162015201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days12 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a160 x 6880 x 160240 x 24066 x 18
Sizen/a1.08 inches1.23 inches1.2 inches.721 inches
Touchn/a
TypeOLEDn/aIPS LCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables