ASUS ZenWatch 2 vs. Fitbit Versa vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Flex

 
ZenWatch 2
Versa
645 Music
Alta HR
Flex
 ASUSZenWatch 2Remove Buy NowFitbitVersaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$199.99$450$150$100
Release20162018201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4 days7 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320300 x300240 x 240128 x 36NA
Size1.63 inches or 1.45 inch1.34 inches1.2 inches1.4 inchesNA
TouchNA
TypeAMOLEDOLEDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNA
Apps
Music

All Wearables