Polar M400 vs. Samsung Gear S2 vs. Sony SmartWatch 3 vs. Withings Go

 
M400
Gear S2
SmartWatch 3
Go
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowSonySmartWatch 3Remove Buy NowWithingsGoRemove Buy Now

Basic Info

Suggested Price$200$300$250$80
Release2014201520142016

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days2 days8 months
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetoothn/a
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a360 x 360320 x 320n/a
Sizen/a1.2 inches1.6 inchesn/a
Touchn/a
Typen/aSuper AMOLEDTFT LCDE-Ink

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP685 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aTizenAndroid Wearn/a
Appsn/a
Music

All Wearables