Garmin Fenix 3 vs. Polar M400 vs. Fitbit Charge 2 vs. Fitbit Flex 2 vs. Asus ZenWatch

 
Fenix 3
M400
Charge 2
Flex 2
ZenWatch
 GarminFenix 3Remove Buy NowPolarM400Remove Buy NowFitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy Now

Basic Info

Suggested Price$500$200$150$100$150
Release20152014201620162014

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks8 hours to 30 days5 days5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution218 x 218n/an/an/a320 x 320
Size1.2 inchesn/an/an/a1.63 inches
Touchn/an/a
TypeChroma LEDn/aOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM3 ATMn/a5 ATMIP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/an/an/aAndroid Wear
Apps
Music

All Wearables