Samsung Gear S vs. Samsung Gear S2 vs. Fitbit Ionic vs. Asus ZenWatch vs. Garmin Vivosmart 3

 
Gear S
Gear S2
Ionic
ZenWatch
Vivosmart 3
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$250$300$299$150$139.99
Release20132015201720142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days4+ daysNA5 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
Resolution480 x 360360 x 360348x250320 x 32064 x 128
Size2 inches1.2 inches1.421.63 inchesNA
Touch
TypeSuper AMOLEDSuper AMOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP6850mIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemTizenTizenFitbit OSAndroid Wear
Apps
Music

All Wearables