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All Fitbit Alta HR vs. Fitbit Charge 2 vs. Fitbit Charge 4 vs. Fitbit Charge 5 vs. Garmin 645 Music vs. Garmin Fenix 3 vs. Garmin Vivosmart HR
Fitbit Alta HR Fitbit Charge 2 Fitbit Charge 4 Fitbit Charge 5 Garmin 645 Music Garmin Fenix 3 Garmin Vivosmart HR

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Price and Release Date

Suggested Price$150$150$149$180$450$500$170
Release / Update2017201620202021201820152015

Activity & Fitness

Calories
Distance
Heart$
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate

Battery

Duration7 days5 days7 days7 Days7 days50 hours to 6 weeks5 days
Rechargeable

Compatibility Support

Android
iOS
Windows Phone
Macn/an/a
WindowsNot yetn/an/a

Connectivity Support

Bluetooth
Cellular
GPS
NFCFitbit Pay
Wi-Fi

Display

Color
Resolution128 x 3666x18240 x 240218 x 218160 x 68
Size1.4 inches.721 inches1.04 inches1.2 inches1.2 inches1.0" x .42"
Touchn/a
TypeOLEDOLEDOLEDAMOLEDMIPChroma LEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM (50 Meters)5 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSFitbit OSBuilt-inn/a
Apps
MusicSpotify control

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