Samsung Gear S vs. Casio WSD-F20A vs. Fitbit Flex vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
Gear S
WSD-F20A
Flex
Access Sofie HR
Vivosmart 4
 SamsungGear SRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$399$100$395$130
Release20132018201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a1 day5 days2 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360320 x 320NA390 x 39048 x 128
Size2 inches1.32 inchesNA1.19 inches0.74 inches
TouchNA
TypeSuper AMOLEDLCDLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWear OSNAWear OS
Apps
Music

All Wearables