Garmin Forerunner 225 vs. Polar M400 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Apple Watch Series 5

 
Forerunner 225
M400
Forerunner 235
Flex
Watch Series 5
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$300$200$299.99$100$329
Release20152014201720132019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days9 days5 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a215 x 180NA384 x 480
Size1 inchn/a1.23 inchesNA1.78 Inches
TouchNA
Typen/an/aMIPLEDMicroLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM1 ATMNot Yet

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNAWatchOS 5
Appsn/a
Musicn/a

All Wearables