Fitbit One vs. Amazfit Arc vs. Amazfit Cor vs. Casio WSD-F20A vs. Apple Watch Series 4

 
One
Arc
Cor
WSD-F20A
Watch Series 4
 FitbitOneRemove Buy NowAmazfitArcRemove Buy NowAmazfitCorRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$69.99$79.99$399$329
Release20122016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days20 days12 days1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x4080 x 160320 x 320384 x 480
Sizen/a0.42 inches1.23 inches1.32 inches1.78 inches
Touch
TypeOLEDOLEDIPS LCDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP675 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatch OS 5
Apps
Music

All Wearables