ASUS ZenWatch 2 vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Watch Series 4 vs. Apple SE

 
ZenWatch 2
WSD-F20A
Flex
Watch Series 4
SE
 ASUSZenWatch 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$150$399$100$329$279
Release20162018201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a1 day5 daysNot Yet18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320NA384 x 480384 x 480
Size1.63 inches or 1.45 inch1.32 inchesNA1.78 inches40mm
TouchNA
TypeAMOLEDLCDLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceIP675 ATM1 ATMNot Yet

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWear OSNAWatch OS 5WatchOS 5
Apps
Music

All Wearables