Fitbit Flex 2 vs. Asus ZenWatch vs. Garmin 645 Music vs. Fitbit Charge HR vs. Fitbit Inspire HR

 
Flex 2
ZenWatch
645 Music
Charge HR
Inspire HR
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$150$450$150$99
Release20162014201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 240NA139 x 60
Sizen/a1.63 inches1.2 inchesNA1.4 inches
Touchn/aNA
TypeLEDAMOLEDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM1 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAFitbit OS
Apps
Music

All Wearables