Polar M400 vs. Microsoft Band 2 vs. Sony SmartBand Talk vs. Apple Watch Series 2

 
M400
Band 2
SmartBand Talk
Watch Series 2
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowSonySmartBand TalkRemove Buy NowAppleWatch Series 2Remove Buy Now

Basic Info

Suggested Price$200$250$170$269
Release2014201520142016

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)3 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128296 x 128340 x 272 or 390 x 312
Sizen/a1.36 inches1.4 inches1.5 inches or 1.65 inches
Touch
Typen/aCapacitative TFTE InkAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX7IP685ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearWatch OS
Apps
Music

All Wearables