Fitbit Ionic vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Charge vs. Garmin VivoActive 4

 
Ionic
ZenWatch
645 Music
Charge
VivoActive 4
 FitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$150$450$130$349
Release20172014201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysNA7 days7-10 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320240 x 240NA260 x 260
Size1.421.63 inches1.2 inchesNA1.3ionches
TouchNA
TypeOLEDAMOLEDMIPOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP555 ATM1 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearNAWear OS
Apps
Music

All Wearables