Fitbit Alta vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fossil Gen 5 Smartwatch Carlyle

 
Alta
Flex 2
WSD-F20A
Forerunner 235
Gen 5 Smartwatch Carlyle
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$130$100$399$299.99$295
Release20162016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day9 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320215 x 180328 x 328
Sizen/an/a1.32 inches1.23 inches1.3 inches
Touchn/an/a
TypeOLEDLEDLCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSWear OS
Apps
Music

All Wearables