ASUS ZenWatch 2 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Apple Series 6

 
ZenWatch 2
WSD-F20A
645 Music
Vivofit 4
Series 6
 ASUSZenWatch 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$399$450$79.95$399
Release20162018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a1 day7 days1 yearNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320240 x 24088 x 88384 x 480
Size1.63 inches or 1.45 inch1.32 inches1.2 inchesNA40mm
Touch
TypeAMOLEDLCDMIPNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWear OSWatchOS 5
Apps
Music

All Wearables