Polar M400 vs. Samsung Gear S3 vs. Microsoft Band 2 vs. Samsung Gear 2

 
M400
Gear S3
Band 2
Gear 2
 PolarM400Remove Buy NowSamsungGear S3Remove Buy NowMicrosoftBand 2Remove Buy NowSamsungGear 2Remove Buy Now

Basic Info

Suggested Price$200$350$250$300
Release2014201620152014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleepn/a
StepsNA
Swim

Battery

Duration8 hours to 30 days4 days48 hours (without GPS)2-3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a360 x 360320 x 128320 x 320
Sizen/a1.3 inches1.36 inches1.63 inches
Touch
Typen/aFullcolor AODCapacitative TFTSuper AMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IPX7IP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aTizen OS
Apps
Music

All Wearables