Garmin Forerunner 225 vs. Fitbit Flex 2 vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Amazfit GTR

 
Forerunner 225
Flex 2
Loop 2
ZenWatch 3
GTR
 GarminForerunner 225Remove Buy NowFitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$100$120$229$199
Release20152016201520172019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks5 days8 days (without notifications)48 hours24 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/an/a400 x 400454 x 454
Size1 inchn/an/a1.39 inches1.39 inches
Touchn/a
Typen/aLEDLEDAMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aAndroid Wear 2Build-in
Appsn/a
Musicn/a

All Wearables