Samsung Gear S2 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Garmin Forerunner 45

 
Gear S2
WSD-F20A
Forerunner 235
Forerunner 45
 SamsungGear S2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$300$399$299.99$199
Release2015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days1 day9 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360320 x 320215 x 180208 x 208
Size1.2 inches1.32 inches1.23 inches1.04 inches
Touch
TypeSuper AMOLEDLCDMIPLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWear OSBuilt-in
Apps
Music

All Wearables