Fitbit Ionic vs. Apple Watch vs. Asus ZenWatch vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Ionic
Watch
ZenWatch
Forerunner 45
VivoActive 4
 FitbitIonicRemove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$349$150$199$349
Release20172015201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days18 hoursNA7 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 312320 x 320208 x 208260 x 260
Size1.421.5 inches or 1.65 inches1.63 inches1.04 inches1.3ionches
Touch
TypeOLEDAMOLEDAMOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIPX7IP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSWatch OSAndroid WearBuilt-inWear OS
Apps
Music

All Wearables