Casio WSD-F20A vs. Garmin Forerunner 235 vs. Samsung Gear 2 vs. Fitbit Charge

 
WSD-F20A
Forerunner 235
Gear 2
Charge
 CasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowSamsungGear 2Remove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$399$299.99$300$130
Release2018201720142014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration1 day9 days2-3 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320215 x 180320 x 320NA
Size1.32 inches1.23 inches1.63 inchesNA
TouchNA
TypeLCDMIPSuper AMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSTizen OSNA
Apps
Music

All Wearables