Casio G-Shock GBA800 vs. Garmin 645 Music vs. Garmin Chronos vs. Garmin Forerunner 235 vs. Fitbit Flex

 
G-Shock GBA800
645 Music
Chronos
Forerunner 235
Flex
 CasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$120$450$1500$299.99$100
Release20182018201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years7 days8 days9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240218 x 218215 x 180NA
Size1.2 inches1.2 inches1.23 inchesNA
TouchNA
TypeMIPMIPMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM5 ATM10 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNA
Apps
Music

All Wearables