Casio WSD-F20A vs. Motorola Moto 360 (1st Gen) vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Vivosmart 4

 
WSD-F20A
Moto 360 (1st Gen)
Charge
Flex
Vivosmart 4
 CasioWSD-F20ARemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$399$150$130$100$130
Release20182014201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day1 day7-10 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 260NANA48 x 128
Size1.32 inches1.56 inchesNANA0.74 inches
TouchNANA
TypeLCDLCDOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNANA
Apps
MusicNA

All Wearables