Polar M400 vs. Samsung Gear S2 vs. Samsung Gear S3 vs. Moov Now vs. Sony SmartBand Talk

 
M400
Gear S2
Gear S3
Now
SmartBand Talk
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowSamsungGear S3Remove Buy NowMoovNowRemove Buy NowSonySmartBand TalkRemove Buy Now

Basic Info

Suggested Price$200$300$350$79$170
Release20142015201620152014

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days4 days6 months3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/an/a
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a360 x 360360 x 360n/a296 x 128
Sizen/a1.2 inches1.3 inchesn/a1.4 inches
Touchn/a
Typen/aSuper AMOLEDFullcolor AODn/aE Ink

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMIP68IP68n/aIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenTizenn/aAndroid Wear
Apps
Music

All Wearables