Casio G-Shock GBA800 vs. Garmin Chronos vs. Fitbit Flex vs. Amazfit GTR vs. Apple Series 6

 
G-Shock GBA800
Chronos
Flex
GTR
Series 6
 CasioG-Shock GBA800Remove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$120$1500$100$199$399
Release20182018201320192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years8 days5 days24 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218NA454 x 454384 x 480
Size1.2 inchesNA1.39 inches40mm
TouchNA
TypeMIPLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance20 ATM10 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuild-inWatchOS 5
Apps
Music

All Wearables