ASUS ZenWatch 2 vs. Fitbit Ionic vs. Fitbit Charge HR vs. Fitbit Flex vs. Garmin Forerunner 45

 
ZenWatch 2
Ionic
Charge HR
Flex
Forerunner 45
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$150$299$150$100$199
Release20162017201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days5 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250NANA208 x 208
Size1.63 inches or 1.45 inch1.42NANA1.04 inches
TouchNANA
TypeAMOLEDOLEDOLEDLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSNANABuilt-in
Apps
Music

All Wearables