Garmin Forerunner 225 vs. Fitbit Flex 2 vs. Polar A360 vs. ASUS ZenWatch 3 vs. Amazfit T-Rex

 
Forerunner 225
Flex 2
A360
ZenWatch 3
T-Rex
 GarminForerunner 225Remove Buy NowFitbitFlex 2Remove Buy NowPolarA360Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$100$200$229$140
Release20152016201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days12 days48 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/a160 x 80400 x 400360 x 360
Size1 inchn/a1.18 inches1.39 inches1.3 inches
Touchn/a
Typen/aLEDn/aAMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR305 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables