Polar M400 vs. Samsung Gear S vs. Fitbit Charge 3 vs. Huawei Band 3 Pro

 
M400
Gear S
Charge 3
Band 3 Pro
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowFitbitCharge 3Remove Buy NowHuaweiBand 3 ProRemove Buy Now

Basic Info

Suggested Price$200$250$150$70
Release2014201320182018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a7 days12 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a480 x 36066 x 18454 x 454
Sizen/a2 inches.721 inches1.39 inches
Touch
Typen/aSuper AMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenNAAMAZFIT OS
Apps
Music

All Wearables