Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Diesel On Full Guard 2.5

 
Flex 2
WSD-F20A
645 Music
Forerunner 235
On Full Guard 2.5
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$100$399$450$299.99$325
Release20162018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days9 days4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 240215 x 180454x454
Sizen/a1.32 inches1.2 inches1.23 inches1.39 inches
Touchn/a
TypeLEDLCDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables