ASUS ZenWatch 2 vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Garmin Forerunner 45 vs. Apple Series 6

 
ZenWatch 2
Ionic
Charge 3
Forerunner 45
Series 6
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$299$150$199$399
Release20162017201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days7 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320348x25066 x 18208 x 208384 x 480
Size1.63 inches or 1.45 inch1.42.721 inches1.04 inches40mm
Touch
TypeAMOLEDOLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP6750m5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSNABuilt-inWatchOS 5
Apps
Music

All Wearables