Casio WSD-F20A vs. Fitbit Flex vs. Garmin Forerunner 45 vs. LG G Watch R vs. Garmin Vivosmart 4

 
WSD-F20A
Flex
Forerunner 45
G Watch R
Vivosmart 4
 CasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowLGG Watch RRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$399$100$199$300$130
Release20182013201920142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days7 days2 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA208 x 208320 x 32048 x 128
Size1.32 inchesNA1.04 inches1.3 inches0.74 inches
TouchNA
TypeLCDLEDLCDP-OLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuilt-inAndroid Wear
Apps
Music

All Wearables