Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Flex vs. Garmin Vivosport vs. Garmin VivoActive 4

 
Forerunner 225
M400
Flex
Vivosport
VivoActive 4
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitFlexRemove Buy NowGarminVivosportRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$200$100$199$349
Release20152014201320172019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days5 days7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/aNA72 x 144260 x 260
Size1 inchn/aNANA1.3ionches
TouchNA
Typen/an/aLEDMIPMIP

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM1 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNAWear OS
Appsn/a
Musicn/a

All Wearables