Polar M400 vs. Sony SmartWatch 3 vs. Polar A370 vs. Skagen Falster 3

 
M400
SmartWatch 3
A370
Falster 3
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowPolarA370Remove Buy NowSkagenFalster 3Remove Buy Now

Basic Info

Suggested Price$200$250$179.95$295
Release2014201420172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 daysUp to 3 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320160 x 80416 x 416
Sizen/a1.6 inches1.18 inches1.28 inches
Touch
Typen/aTFT LCDTFT LCDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68WR303 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OS
Apps
Music

All Wearables