ASUS ZenWatch 2 vs. Polar M400 vs. Fitbit Ionic vs. Garmin Forerunner 235 vs. Fitbit Versa 2

 
ZenWatch 2
M400
Ionic
Forerunner 235
Versa 2
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 235Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$150$200$299$299.99$199
Release20162014201720172019

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days4+ days9 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a348x250215 x 180300 x 300
Size1.63 inches or 1.45 inchn/a1.421.23 inches1.34 inches
Touch
TypeAMOLEDn/aOLEDMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM50m5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aFitbit OSBuild-in
Apps
Music

All Wearables