ASUS ZenWatch 2 vs. Samsung Gear S2 vs. Fitbit Ionic vs. Asus VivoWatch

 
ZenWatch 2
Gear S2
Ionic
VivoWatch
 ASUSZenWatch 2Remove Buy NowSamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$150$300$299$160
Release2016201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days4+ days24 hours to 10 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

Color
Resolution320 x 320360 x 360348x250128 x 128
Size1.63 inches or 1.45 inch1.2 inches1.42NA
Touch
TypeAMOLEDSuper AMOLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP67IP6850mIP67

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearTizenFitbit OSKoodOS
Apps
Music

All Wearables