Apple Watch Series 3 vs. Fitbit Zip vs. Apple Watch vs. Casio WSD-F20A vs. Apple Watch Series 4

 
Watch Series 3
Zip
Watch
WSD-F20A
Watch Series 4
 AppleWatch Series 3Remove Buy NowFitbitZipRemove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$329$60$349$399$329
Release20172012201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours6 months18 hours1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a340 x 272 or 390 x 312320 x 320384 x 480
Size1.5 inches or 1.65 inchesn/a1.5 inches or 1.65 inches1.32 inches1.78 inches
Touch
TypeAMOLEDn/aAMOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash ResistantIPX75 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWatch OSWear OSWatch OS 5
Apps
Music

All Wearables