Polar M400 vs. Samsung Gear S3 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Huawei Band 3 Pro

 
M400
Gear S3
Forerunner 235
Flex
Band 3 Pro
 PolarM400Remove Buy NowSamsungGear S3Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowHuaweiBand 3 ProRemove Buy Now

Basic Info

Suggested Price$200$350$299.99$100$70
Release20142016201720132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days9 days5 days12 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a360 x 360215 x 180NA454 x 454
Sizen/a1.3 inches1.23 inchesNA1.39 inches
TouchNA
Typen/aFullcolor AODMIPLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenNAAMAZFIT OS
Apps
Music

All Wearables