Casio WSD-F20A vs. Fitbit Charge HR vs. Fitbit Flex vs. LG G Watch R vs. Garmin Vivosmart 4

 
WSD-F20A
Charge HR
Flex
G Watch R
Vivosmart 4
 CasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowLGG Watch RRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$399$150$100$300$130
Release20182015201320142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days5 days2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANAn/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANA320 x 32048 x 128
Size1.32 inchesNANA1.3 inches0.74 inches
TouchNANA
TypeLCDOLEDLEDP-OLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANAAndroid Wear
Apps
Music

All Wearables