ASUS ZenWatch 2 vs. Samsung Gear S2 vs. Fitbit Ionic vs. Sony SmartBand vs. Xiaomi Mi Band 4

 
ZenWatch 2
Gear S2
Ionic
SmartBand
Mi Band 4
 ASUSZenWatch 2Remove Buy NowSamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowSonySmartBandRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$300$299$100$25
Release20162015201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days4+ days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

ColorNA
Resolution320 x 320360 x 360348x250NA120x240
Size1.63 inches or 1.45 inch1.2 inches1.42NA0.95 inches
TouchNA
TypeAMOLEDSuper AMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP6850mIP585 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearTizenFitbit OSNAAMAZFIT OS
Apps
Music

All Wearables