Samsung Gear S2 vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Fitbit Charge vs. Garmin VivoActive 4

 
Gear S2
WSD-F20A
Access Sofie
Charge
VivoActive 4
 SamsungGear S2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitChargeRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$399$395$130$349
Release20152018201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days1 day1 day7-10 days8 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 320390 x 390 1.19 inchesNA260 x 260
Size1.2 inches1.32 inchesNA1.3ionches
TouchAMOLDEDNA
TypeSuper AMOLEDLCDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWear OSAndroid Wear 2.0NAWear OS
Apps
Music

All Wearables