ASUS ZenWatch 2 vs. Samsung Gear S2 vs. Sony SmartWatch 3 vs. Fitbit Ionic

 
ZenWatch 2
Gear S2
SmartWatch 3
Ionic
 ASUSZenWatch 2Remove Buy NowSamsungGear S2Remove Buy NowSonySmartWatch 3Remove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$150$300$250$299
Release2016201520142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days2 days4+ 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 360320 x 320348x250
Size1.63 inches or 1.45 inch1.2 inches1.6 inches1.42
Touch
TypeAMOLEDSuper AMOLEDTFT LCDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68IP6850m

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearTizenAndroid WearFitbit OS
Apps
Music

All Wearables