Garmin Forerunner 225 vs. Polar M400 vs. Samsung Gear S2 vs. Fitbit Flex vs. Garmin Vivosport

 
Forerunner 225
M400
Gear S2
Flex
Vivosport
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosportRemove Buy Now

Basic Info

Suggested Price$300$200$300$100$199
Release20152014201520132017

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days2-3 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a360 x 360NA72 x 144
Size1 inchn/a1.2 inchesNANA
TouchNA
Typen/an/aSuper AMOLEDLEDMIP

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP681 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aTizenNA
Appsn/a
Musicn/a

All Wearables