Casio WSD-F20A vs. Fitbit Charge 3 vs. Garmin Forerunner 45 vs. Garmin VivoActive 4 vs. Apple Watch Ultra

 
WSD-F20A
Charge 3
Forerunner 45
VivoActive 4
Watch Ultra
 CasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$399$150$199$349$799
Release20182018201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7 days7 days8 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 32066 x 18208 x 208260 x 260502x410 pixels
Size1.32 inches.721 inches1.04 inches1.3ionches1.92 inches
Touch
TypeLCDOLEDLCDMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuilt-inWear OSWatchOS 9
Apps
Music

All Wearables