Fitbit Alta vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Fossil Gen 5 Smartwatch Carlyle vs. Apple Series 6

 
Alta
WSD-F20A
Watch Series 4
Gen 5 Smartwatch Carlyle
Series 6
 FitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$399$329$295$399
Release20162018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 dayNot Yet1 dayNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320384 x 480328 x 328384 x 480
Sizen/a1.32 inches1.78 inches1.3 inches40mm
Touchn/a
TypeOLEDLCDMicroLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATMNot Yet3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSWatch OS 5Wear OSWatchOS 5
Apps
Music

All Wearables