Asus ZenWatch vs. Fitbit Charge HR vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Garmin Instinct

 
ZenWatch
Charge HR
Flex
Forerunner 45
Instinct
 AsusZenWatchRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$150$150$100$199$300
Release20142015201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNA5 days5 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANA208 x 208128 x 128
Size1.63 inchesNANA1.04 inches0.9 inches
TouchNANA
TypeAMOLEDOLEDLEDLCDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP551 ATM1 ATM5 ATM10 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid WearNANABuilt-in
Apps
Music

All Wearables