ASUS ZenWatch 2 vs. Fitbit Surge vs. Fitbit Ionic vs. Xiaomi Mi Band 4

 
ZenWatch 2
Surge
Ionic
Mi Band 4
 ASUSZenWatch 2Remove Buy NowFitbitSurgeRemove Buy NowFitbitIonicRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$250$299$25
Release2016201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days4+ days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a348x250120x240
Size1.63 inches or 1.45 inch1.26 inches1.420.95 inches
Touch
TypeAMOLEDMonochrome LCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM50m5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aFitbit OSAMAZFIT OS
Apps
Music

All Wearables