Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Apple Watch Series 5 vs. Fossil Gen 5 Smartwatch Carlyle

 
Flex 2
WSD-F20A
Alta HR
Watch Series 5
Gen 5 Smartwatch Carlyle
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 5Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$100$399$150$329$295
Release20162018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 daysNot Yet1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320128 x 36384 x 480328 x 328
Sizen/a1.32 inches1.4 inches1.78 Inches1.3 inches
Touchn/a
TypeLEDLCDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatchOS 5Wear OS
Apps
Music

All Wearables