Fitbit Ionic vs. Garmin Fenix 5s vs. Asus ZenWatch vs. Garmin 645 Music vs. Apple Watch 8

 
Ionic
Fenix 5s
ZenWatch
645 Music
Watch 8
 FitbitIonicRemove Buy NowGarminFenix 5sRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$299$599.99$150$450$499
Release20172017201420182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysUp to 9 daysNA7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250218x 218320 x 320240 x 240340 x 272 or 390 x 312
Size1.421.1 inches1.63 inches1.2 inches1.5 inches or 1.65 inches
Touch
TypeOLEDnaAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m10ATMIP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearWatchOS 9
Apps
Music

All Wearables