Fitbit Ionic vs. LG Watch Style vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Garmin Vivosmart 4

 
Ionic
Watch Style
645 Music
Vivofit 4
Vivosmart 4
 FitbitIonicRemove Buy NowLGWatch StyleRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$299$249$450$79.95$130
Release20172017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days7 days1 year7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250360 x 360240 x 24088 x 8848 x 128
Size1.421.2 inches1.2 inchesNA0.74 inches
Touch
TypeOLEDP-OLEDMIPNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2
Apps
Music

All Wearables