Polar M400 vs. Samsung Gear S vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Garmin Vivosmart 3

 
M400
Gear S
Forerunner 235
Flex
Vivosmart 3
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$200$250$299.99$100$139.99
Release20142013201720132017

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a9 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360215 x 180NA64 x 128
Sizen/a2 inches1.23 inchesNANA
TouchNA
Typen/aSuper AMOLEDMIPLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenNA
Apps
Music

All Wearables