Polar M400 vs. Samsung Gear S2 vs. Sony SmartBand 2 vs. Misfit Flash Cyclist Edition vs. Apple Watch Series 4

 
M400
Gear S2
SmartBand 2
Flash Cyclist Edition
Watch Series 4
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowSonySmartBand 2Remove Buy NowMisfitFlash Cyclist EditionRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$200$300$130$50$329
Release20142015201520152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days2 days6 monthsNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a360 x 360n/aNA384 x 480
Sizen/a1.2 inchesn/aNA1.78 inches
Touchn/aNA
Typen/aSuper AMOLEDn/aNAMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP583 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aNAWatch OS 5
Apps
Music

All Wearables