ASUS ZenWatch 2 vs. Withings Activite Sapphire vs. Polar Loop 2 vs. Fitbit Charge HR vs. Garmin Vivosmart HR Plus

 
ZenWatch 2
Activite Sapphire
Loop 2
Charge HR
Vivosmart HR Plus
 ASUSZenWatch 2Remove Buy NowWithingsActivite SapphireRemove Buy NowPolarLoop 2Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$150$450$120$150$179
Release20162014201520152017

Activity & Fitness

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

Battery

Durationn/a8 months8 days (without notifications)5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/an/aNA160 x 68
Size1.63 inches or 1.45 inch1.3 inchesn/aNA0.5 inches x 0.8 inches
TouchNA
TypeAMOLEDAnalogLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM2 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aNANA
Apps
Music

All Wearables