ASUS ZenWatch 2 vs. Polar M400 vs. Fitbit Flex 2 vs. Garmin Fenix 5s vs. Garmin Vivofit 4

 
ZenWatch 2
M400
Flex 2
Fenix 5s
Vivofit 4
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminFenix 5sRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$150$200$100$599.99$79.95
Release20162014201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 hours to 30 days5 daysUp to 9 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/an/a218x 21888 x 88
Size1.63 inches or 1.45 inchn/an/a1.1 inchesNA
Touchn/a
TypeAMOLEDn/aLEDnaNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM10ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/a
Apps
Music

All Wearables