Fitbit Flex 2 vs. Casio WSD-F20A vs. LG G Watch R vs. Amazfit GTR

 
Flex 2
WSD-F20A
G Watch R
GTR
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowLGG Watch RRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$399$300$199
Release2016201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day2 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320320 x 320454 x 454
Sizen/a1.32 inches1.3 inches1.39 inches
Touchn/a
TypeLEDLCDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearBuild-in
Apps
Music

All Wearables