ASUS ZenWatch 2 vs. Polar M400 vs. TomTom Adventurer vs. Fitbit Flex 2 vs. Apple SE

 
ZenWatch 2
M400
Adventurer
Flex 2
SE
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowTomTomAdventurerRemove Buy NowFitbitFlex 2Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$150$200$350$100$279
Release20162014201620162020

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 daysn/a5 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/an/an/a384 x 480
Size1.63 inches or 1.45 inchn/an/an/a40mm
Touchn/a
TypeAMOLEDn/an/aLEDMicroLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceIP673 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid Wearn/an/an/aWatchOS 5
Apps
Music

All Wearables