Samsung Gear S2 vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Gear S2
WSD-F20A
Flex
Vivosmart 4
 SamsungGear S2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$399$100$130
Release2015201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days1 day5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360320 x 320NA48 x 128
Size1.2 inches1.32 inchesNA0.74 inches
TouchNA
TypeSuper AMOLEDLCDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWear OSNA
Apps
Music

All Wearables