Samsung Gear S vs. Samsung Gear S2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic

 
Gear S
Gear S2
ZenWatch 3
Ionic
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$250$300$229$299
Release2013201520172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days48 hours4+ days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution480 x 360360 x 360400 x 400348x250
Size2 inches1.2 inches1.39 inches1.42
Touch
TypeSuper AMOLEDSuper AMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP6850m

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenAndroid Wear 2Fitbit OS
Apps
Music

All Wearables