Fitbit Alta vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Apple Watch Series 5 vs. Apple Watch 7

 
Alta
WSD-F20A
Watch Series 4
Watch Series 5
Watch 7
 FitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$399$329$329$429
Release20162018201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 dayNot YetNot Yet18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320384 x 480384 x 480396 x 484
Sizen/a1.32 inches1.78 inches1.78 Inches1.9 inches
Touchn/a
TypeOLEDLCDMicroLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMNot YetNot Yetwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSWatch OS 5WatchOS 5WatchOS 8
Apps
Music

All Wearables