ASUS ZenWatch 3 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Flex

 
ZenWatch 3
WSD-F20A
645 Music
Alta HR
Flex
 ASUSZenWatch 3Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$229$399$450$150$100
Release20172018201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours1 day7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400320 x 320240 x 240128 x 36NA
Size1.39 inches1.32 inches1.2 inches1.4 inchesNA
TouchNA
TypeAMOLEDLCDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Wear OSNA
Apps
Music

All Wearables