Polar M400 vs. Samsung Gear Fit2 vs. Casio WSD-F20A vs. Samsung Galaxy Watch

 
M400
Gear Fit2
WSD-F20A
Galaxy Watch
 PolarM400Remove Buy NowSamsungGear Fit2Remove Buy NowCasioWSD-F20ARemove Buy NowSamsungGalaxy WatchRemove Buy Now

Basic Info

Suggested Price$200$180$399$330
Release2014201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days3-4 days1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a432 x 216320 x 320360 x 360
Sizen/a1.5 inches1.32 inches1.2 inches or 1.3 inches
Touch
Typen/aSuper AMOLEDLCDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenWear OSTizen OS
Apps
MusicSpotify

All Wearables