Garmin Forerunner 225 vs. Garmin 645 Music vs. Garmin Fenix 5x Plus vs. Amazfit GTR vs. Amazfit T-Rex

 
Forerunner 225
645 Music
Fenix 5x Plus
GTR
T-Rex
 GarminForerunner 225Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$450$850$199$140
Release20152018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks7 days20 days24 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180240 x 240240 x 240454 x 454360 x 360
Size1 inch1.2 inches1.2 inches1.39 inches1.3 inches
Touch
Typen/aMIPMIPAMOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWear OSBuild-inBuild-in
Appsn/a
Musicn/a

All Wearables