Polar M400 vs. Polar V800 vs. Samsung Gear S2 vs. Withings Activite Sapphire vs. Samsung Gear Fit2 Pro

 
M400
V800
Gear S2
Activite Sapphire
Gear Fit2 Pro
 PolarM400Remove Buy NowPolarV800Remove Buy NowSamsungGear S2Remove Buy NowWithingsActivite SapphireRemove Buy NowSamsungGear Fit2 ProRemove Buy Now

Basic Info

Suggested Price$200$470$300$450$199.99
Release20142014201520142017

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days2-3 days8 months2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/an/a360 x 360n/a216 x 432
Sizen/an/a1.2 inches1.3 inches1.5 inches
Touch
Typen/an/aSuper AMOLEDAnalogAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizenn/aTizen OS
Apps
Music

All Wearables