ASUS ZenWatch 2 vs. Samsung Gear S2 vs. Sony SmartBand Talk vs. Fitbit Ionic vs. Garmin Vivosmart 4

 
ZenWatch 2
Gear S2
SmartBand Talk
Ionic
Vivosmart 4
 ASUSZenWatch 2Remove Buy NowSamsungGear S2Remove Buy NowSonySmartBand TalkRemove Buy NowFitbitIonicRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$300$170$299$130
Release20162015201420172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days3 days4+ days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution320 x 320360 x 360296 x 128348x25048 x 128
Size1.63 inches or 1.45 inch1.2 inches1.4 inches1.420.74 inches
Touch
TypeAMOLEDSuper AMOLEDE InkOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68IP6850m5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearTizenAndroid WearFitbit OS
Apps
Music

All Wearables