ASUS ZenWatch 2 vs. Withings Activite Sapphire vs. Polar Loop 2 vs. Michael Kors Access Sofie HR vs. Xiaomi Mi Band 4

 
ZenWatch 2
Activite Sapphire
Loop 2
Access Sofie HR
Mi Band 4
 ASUSZenWatch 2Remove Buy NowWithingsActivite SapphireRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$450$120$395$25
Release20162014201520192019

Activity & Fitness

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

Battery

Durationn/a8 months8 days (without notifications)2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/an/a390 x 390120x240
Size1.63 inches or 1.45 inch1.3 inchesn/a1.19 inches0.95 inches
Touch
TypeAMOLEDAnalogLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM2 ATM0.3 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aWear OSAMAZFIT OS
Apps
Music

All Wearables