Garmin Forerunner 225 vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. Garmin Instinct vs. Amazfit T-Rex

 
Forerunner 225
ZenWatch 3
Flex
Instinct
T-Rex
 GarminForerunner 225Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowGarminInstinctRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$229$100$300$140
Release20152017201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks48 hours5 days14 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180400 x 400NA128 x 128360 x 360
Size1 inch1.39 inchesNA0.9 inches1.3 inches
TouchNA
Typen/aAMOLEDLEDOMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM10 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid Wear 2NABuild-in
Appsn/a
Musicn/a

All Wearables