ASUS ZenWatch 2 vs. Polar M400 vs. Microsoft Band 2 vs. Casio WSD-F20A vs. Fitbit Flex

 
ZenWatch 2
M400
Band 2
WSD-F20A
Flex
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$200$250$399$100
Release20162014201520182013

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days48 hours (without GPS)1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a320 x 128320 x 320NA
Size1.63 inches or 1.45 inchn/a1.36 inches1.32 inchesNA
TouchNA
TypeAMOLEDn/aCapacitative TFTLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIPX75 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aWear OSNA
Apps
Music

All Wearables