Garmin Forerunner 225 vs. Amazfit Stratos vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire HR

 
Forerunner 225
Stratos
Flex
On Full Guard 2.5
Inspire HR
 GarminForerunner 225Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$300$199$100$325$99
Release20152018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days5 days4 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 300NA454x454139 x 60
Size1 inch1.34 inchesNA1.39 inches1.4 inches
TouchNA
Typen/aOLEDLEDOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryNAWear OSFitbit OS
Appsn/a
Musicn/a

All Wearables