Polar M400 vs. Polar M600 vs. Samsung Gear S2 vs. Samsung Gear Fit2 vs. Casio WSD-F20A

 
M400
M600
Gear S2
Gear Fit2
WSD-F20A
 PolarM400Remove Buy NowPolarM600Remove Buy NowSamsungGear S2Remove Buy NowSamsungGear Fit2Remove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$200$330$300$180$399
Release20142016201520162018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days2-3 days3-4 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240360 x 360432 x 216320 x 320
Sizen/a1.3 inches1.2 inches1.5 inches1.32 inches
Touchn/a
Typen/aTFTSuper AMOLEDSuper AMOLEDLCD

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IP68IP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTizenTizenWear OS
Apps
Music

All Wearables