Fitbit Flex 2 vs. Casio WSD-F20A vs. Samsung Galaxy Watch vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
Flex 2
WSD-F20A
Galaxy Watch
Access Sofie HR
Vivosmart 4
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowSamsungGalaxy WatchRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$399$330$395$130
Release20162018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320360 x 360390 x 39048 x 128
Sizen/a1.32 inches1.2 inches or 1.3 inches1.19 inches0.74 inches
Touchn/a
TypeLEDLCDAMOLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSTizen OSWear OS
Apps
MusicSpotify

All Wearables