Samsung Gear S vs. Garmin Vivosmart HR vs. Fitbit Ionic vs. Asus VivoWatch vs. Garmin 645 Music

 
Gear S
Vivosmart HR
Ionic
VivoWatch
645 Music
 SamsungGear SRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$250$170$299$160$450
Release20132015201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days4+ days24 hours to 10 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360160 x 68348x250128 x 128240 x 240
Size2 inches1.08 inches1.42NA1.2 inches
Touch
TypeSuper AMOLEDn/aOLEDNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP675 ATM50mIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aFitbit OSKoodOS
Apps
Music

All Wearables