Fitbit Blaze vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Apple Watch Series 5

 
Blaze
Flex 2
WSD-F20A
Watch Series 4
Watch Series 5
 FitbitBlazeRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$200$100$399$329$329
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days1 dayNot YetNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320384 x 480384 x 480
Sizen/an/a1.32 inches1.78 inches1.78 Inches
Touchn/a
TypeLCDLEDLCDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMNot YetNot Yet

Notifications

Phone
Emails
Texts

Software

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

All Wearables