Casio G-Shock GBA800 vs. Garmin 645 Music vs. Samsung Galaxy Watch vs. Sony SmartBand vs. HTC re Grip

 
G-Shock GBA800
645 Music
Galaxy Watch
SmartBand
re Grip
 CasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowSamsungGalaxy WatchRemove Buy NowSonySmartBandRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$450$330$100$199
Release20182018201820142020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years7 days7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240360 x 360NA160 x 32
Size1.2 inches1.2 inches or 1.3 inchesNA1.8 inches
TouchNA
TypeMIPAMOLEDNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM5 ATM5 ATMIP58IP57

Notifications

Phone
Emails
Texts

Software

Operating SystemTizen OSNANA
Apps
MusicSpotify

All Wearables