Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Flex 2 vs. Samsung Gear Fit2 vs. Diesel On Full Guard 2.5

 
Forerunner 225
M400
Flex 2
Gear Fit2
On Full Guard 2.5
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowSamsungGear Fit2Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$300$200$100$180$325
Release20152014201620162018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days5 days3-4 days4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/an/a432 x 216454x454
Size1 inchn/an/a1.5 inches1.39 inches
Touchn/a
Typen/an/aLEDSuper AMOLED

Functions

Audio Speaker22Alerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIP683 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

Wearables by Diesel

Diesel On Full Guard

All Wearables