Samsung Gear S vs. Samsung Gear S3 vs. Casio G-Shock GBA800 vs. Garmin 645 Music

 
Gear S
Gear S3
G-Shock GBA800
645 Music
 SamsungGear SRemove Buy NowSamsungGear S3Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$250$350$120$450
Release2013201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Durationn/a4 days2 years7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution480 x 360360 x 360240 x 240
Size2 inches1.3 inches1.2 inches
Touch
TypeSuper AMOLEDFullcolor AODMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP6820 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizen
Apps
Music

All Wearables