ASUS ZenWatch 2 vs. Polar M400 vs. Fitbit One vs. Fitbit Charge 3 vs. Garmin Forerunner 45

 
ZenWatch 2
M400
One
Charge 3
Forerunner 45
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowFitbitCharge 3Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$150$200$100$150$199
Release20162014201220182019

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days10-14 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320n/an/a66 x 18208 x 208
Size1.63 inches or 1.45 inchn/an/a.721 inches1.04 inches
Touch
TypeAMOLEDn/aOLEDOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMSplast Resistant5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aNABuilt-in
Apps
Music

All Wearables