Garmin Forerunner 225 vs. Fitbit Flex 2 vs. Diesel On Full Guard vs. Fitbit Flex vs. Amazfit GTR

 
Forerunner 225
Flex 2
On Full Guard
Flex
GTR
 GarminForerunner 225Remove Buy NowFitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$100$325$100$199
Release20152016201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days1 day5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/a454 x 454NA454 x 454
Size1 inchn/a1.4 inchesNA1.39 inches
Touchn/aNA
Typen/aLEDOMOLEDLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP671 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2.0NABuild-in
Appsn/a
Musicn/a

All Wearables