ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Fitbit Flex vs. Apple Series 6

 
ZenWatch 2
ZenWatch 3
ZenWatch
Flex
Series 6
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$229$150$100$399
Release20162017201420132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hoursNA5 daysNot yet
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400320 x 320NA384 x 480
Size1.63 inches or 1.45 inch1.39 inches1.63 inchesNA40mm
TouchNA
TypeAMOLEDAMOLEDAMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP67IP551 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid WearAndroid Wear 2Android WearNAWatchOS 5
Apps
Music

All Wearables