ASUS ZenWatch 2 vs. Polar M400 vs. Polar M600 vs. Sony SmartBand Talk vs. Fitbit Flex

 
ZenWatch 2
M400
M600
SmartBand Talk
Flex
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowSonySmartBand TalkRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$200$330$170$100
Release20162014201620142013

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days2 days3 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a240 x 240296 x 128NA
Size1.63 inches or 1.45 inchn/a1.3 inches1.4 inchesNA
Touchn/aNA
TypeAMOLEDn/aTFTE InkLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIPX8IP681 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid WearAndroid WearNA
Apps
Music

All Wearables