Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Fitbit Charge HR vs. LG G Watch R vs. Amazfit GTR

 
Flex 2
G-Shock GBA800
Charge HR
G Watch R
GTR
 FitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge HRRemove Buy NowLGG Watch RRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$120$150$300$199
Release20162018201520142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years5 days2 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA320 x 320454 x 454
Sizen/aNA1.3 inches1.39 inches
Touchn/aNA
TypeLEDOLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM1 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAndroid WearBuild-in
Apps
Music

All Wearables