Garmin Forerunner 225 vs. Apple Watch Series 2 vs. Amazfit Stratos vs. Diesel On Full Guard 2.5 vs. Amazfit GTR

 
Forerunner 225
Watch Series 2
Stratos
On Full Guard 2.5
GTR
 GarminForerunner 225Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$269$199$325$199
Release20152016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks18 hours5 days4 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180340 x 272 or 390 x 312320 x 300454x454454 x 454
Size1 inch1.5 inches or 1.65 inches1.34 inches1.39 inches1.39 inches
Touch
Typen/aAMOLEDOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM5 ATM3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWatch OSProprietaryWear OSBuild-in
Appsn/a
Musicn/a

All Wearables