ASUS ZenWatch 2 vs. Polar M400 vs. Fitbit Alta HR vs. Fitbit Charge vs. Fossil Gen 5 Smartwatch Carlyle

 
ZenWatch 2
M400
Alta HR
Charge
Gen 5 Smartwatch Carlyle
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$150$200$150$130$295
Release20162014201720142019

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days7 days7-10 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a128 x 36NA328 x 328
Size1.63 inches or 1.45 inchn/a1.4 inchesNA1.3 inches
TouchNA
TypeAMOLEDn/aOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM1 ATM3 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNAWear OS
Apps
Music

All Wearables