ASUS ZenWatch 2 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Garmin VivoActive 4 vs. Apple Series 6

 
ZenWatch 2
Forerunner 235
Flex
VivoActive 4
Series 6
 ASUSZenWatch 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$299.99$100$349$399
Release20162017201320192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a9 days5 days8 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320215 x 180NA260 x 260384 x 480
Size1.63 inches or 1.45 inch1.23 inchesNA1.3ionches40mm
TouchNA
TypeAMOLEDMIPLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearNAWear OSWatchOS 5
Apps
Music

All Wearables