Garmin Forerunner 225 vs. Polar V800 vs. Fitbit Flex 2 vs. Amazfit Stratos vs. Garmin VivoActive 4

 
Forerunner 225
V800
Flex 2
Stratos
VivoActive 4
 GarminForerunner 225Remove Buy NowPolarV800Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$470$100$199$349
Release20152014201620182019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks13 hours to 30 days5 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/an/a320 x 300260 x 260
Size1 inchn/an/a1.34 inches1.3ionches
Touchn/a
Typen/an/aLEDOLEDMIP

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables