Garmin Forerunner 225 vs. Polar M400 vs. Samsung Gear Fit2 vs. Diesel On Full Guard vs. Apple Watch 7

 
Forerunner 225
M400
Gear Fit2
On Full Guard
Watch 7
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowSamsungGear Fit2Remove Buy NowDieselOn Full GuardRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$200$180$325$429
Release20152014201620172021

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days3-4 days1 day18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a432 x 216454 x 454396 x 484
Size1 inchn/a1.5 inches1.4 inches1.9 inches
Touch
Typen/an/aSuper AMOLEDOMOLEDMicroLED

Functions

Audio Speaker22Alerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP68IP67water resistant but not waterproof

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aTizenAndroid Wear 2.0WatchOS 8
Appsn/a
Musicn/a

All Wearables