Polar M400 vs. Samsung Gear S2 vs. Casio WSD-F20A vs. Apple Watch Series 5 vs. Mobvoi TicWatch S2

 
M400
Gear S2
WSD-F20A
Watch Series 5
TicWatch S2
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 5Remove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$300$399$329$180
Release20142015201820192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days1 dayNot Yet2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360320 x 320384 x 480400 x 400
Sizen/a1.2 inches1.32 inches1.78 Inches1.39 inches
Touch
Typen/aSuper AMOLEDLCDMicroLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenWear OSWatchOS 5Wear OS
Apps
Music

All Wearables