Polar M400 vs. Polar V800 vs. Sony SmartWatch 3 vs. Withings Activite Steel vs. Microsoft Band 2

 
M400
V800
SmartWatch 3
Activite Steel
Band 2
 PolarM400Remove Buy NowPolarV800Remove Buy NowSonySmartWatch 3Remove Buy NowWithingsActivite SteelRemove Buy NowMicrosoftBand 2Remove Buy Now

Basic Info

Suggested Price$200$470$250$170$250
Release20142014201420152015

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 days8 months48 hours (without GPS)
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320n/a320 x 128
Sizen/an/a1.6 inches1.3 inches1.36 inches
Touch
Typen/an/aTFT LCDAnalogCapacitative TFT

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP685 ATMIPX7

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wearn/an/a
Apps
Music

Wearables by Microsoft

Microsoft Band

All Wearables