Garmin Vivosmart vs. Fitbit Ionic vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Garmin VivoActive 4

 
Vivosmart
Ionic
645 Music
Vivosmart HR Plus
VivoActive 4
 GarminVivosmartRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$170$299$450$179$349
Release20142017201820172019

Activity & Fitness

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

Battery

Duration7 days4+ days7 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16348x250240 x 240160 x 68260 x 260
Size1.41 inches1.421.2 inches0.5 inches x 0.8 inches1.3ionches
Touch
TypeOLEDOLEDMIPLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNAWear OS
Apps
Music

All Wearables