Fitbit Ionic vs. Apple Watch vs. Asus VivoWatch vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Ionic
Watch
VivoWatch
645 Music
VivoActive 4
 FitbitIonicRemove Buy NowAppleWatchRemove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$349$160$450$349
Release20172015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days18 hours24 hours to 10 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250340 x 272 or 390 x 312128 x 128240 x 240260 x 260
Size1.421.5 inches or 1.65 inchesNA1.2 inches1.3ionches
Touch
TypeOLEDAMOLEDNAMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50mIPX7IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWatch OSKoodOSWear OS
Apps
Music

All Wearables