Garmin Forerunner 735XT vs. Amazfit Stratos vs. Garmin 645 Music vs. Amazfit GTR

 
Forerunner 735XT
Stratos
645 Music
GTR
 GarminForerunner 735XTRemove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$450$199$450$199
Release2016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180320 x 300240 x 240454 x 454
Size1.23 inches1.34 inches1.2 inches1.39 inches
Touchn/a
Typen/aOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryBuild-in
Apps
Music

All Wearables