Fitbit One vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Garmin Vivosmart 4

 
One
645 Music
Alta HR
Charge 3
Vivosmart 4
 FitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$450$150$150$130
Release20122018201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days7 days7 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a240 x 240128 x 3666 x 1848 x 128
Sizen/a1.2 inches1.4 inches.721 inches0.74 inches
Touch
TypeOLEDMIPOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables