Casio WSD-F20A vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Fitbit Inspire HR vs. Fitbit Sense 2

 
WSD-F20A
645 Music
Watch Series 4
Inspire HR
Sense 2
 CasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$399$450$329$99$300
Release20182018201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7 daysNot Yet5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240384 x 480139 x 60336x336
Size1.32 inches1.2 inches1.78 inches1.4 inches1.59 inches
Touch
TypeLCDMIPMicroLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWatch OS 5Fitbit OS
Apps
Music

All Wearables