Garmin Forerunner 225 vs. Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Amazfit GTR

 
Forerunner 225
Flex 2
Forerunner 235
GTR
 GarminForerunner 225Remove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 235Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$100$299.99$199
Release2015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days9 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/a215 x 180454 x 454
Size1 inchn/a1.23 inches1.39 inches
Touchn/a
Typen/aLEDMIPAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aBuild-in
Appsn/a
Musicn/a

All Wearables