Casio WSD-F20A vs. Fitbit Flex vs. LG G Watch R vs. Amazfit GTR

 
WSD-F20A
Flex
G Watch R
GTR
 CasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowLGG Watch RRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$399$100$300$199
Release2018201320142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days2 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA320 x 320454 x 454
Size1.32 inchesNA1.3 inches1.39 inches
TouchNA
TypeLCDLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAAndroid WearBuild-in
Apps
Music

All Wearables