Fitbit Ionic vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Charge 3 vs. Fitbit Sense 2

 
Ionic
ZenWatch
645 Music
Charge 3
Sense 2
 FitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$299$150$450$150$300
Release20172014201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysNA7 days7 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution348x250320 x 320240 x 24066 x 18336x336
Size1.421.63 inches1.2 inches.721 inches1.59 inches
Touch
TypeOLEDAMOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP555 ATM5 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearNA
Apps
Music

All Wearables