Samsung Gear S vs. Fitbit Ionic vs. Asus VivoWatch vs. Casio G-Shock GBA800 vs. Garmin 645 Music

 
Gear S
Ionic
VivoWatch
G-Shock GBA800
645 Music
 SamsungGear SRemove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$250$299$160$120$450
Release20132017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days24 hours to 10 days2 years7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360348x250128 x 128240 x 240
Size2 inches1.42NA1.2 inches
Touch
TypeSuper AMOLEDOLEDNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP6750mIP6720 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenFitbit OSKoodOS
Apps
Music

All Wearables