Garmin Forerunner 745 vs. Amazfit GTR 3 Pro

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Garmin Forerunner 745 and Amazfit GTR 3 Pro. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.

Smartwatch Specifications Comparison

Garmin Forerunner 745 vs. Amazfit GTR 3 Pro Comparison Chart
GENERAL Garmin Forerunner 745 Amazfit GTR 3 Pro
Product Type Sport watch Smart watch
Operating System - Zepp OS
Supported Host Device OS iOS, Android iOS 12 or later, Android 7.0 (Nougat) or later
Activity/Sport - Multisport
Wearing Style Watch style Watch style
Audio Input - Microphone
Width 43.8 mm -
Height 43.8 mm -
Depth 13.3 mm -
Weight 47 g -
Body Details - Case only: 32 g
Body Material Fibre-reinforced polymer Aluminium alloy
Protection Water-resistant Water-resistant
Clock Display Yes Yes
FEATURES Garmin Forerunner 745 Amazfit GTR 3 Pro
Sensors Accelerometer, digital compass, thermometre, gyro sensor, heart rate, barometric altimeter, Pulse Ox sensor Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor
Tracking Data Distance, time, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, menstrual cycle, temperature, hydration, recovery time, training load Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level
Goal Setting Yes Yes
Features Find phone function, VO2 max, HR zones, VIRB control, Move IQ, Garmin Connect compatible, Find my Device, store & play music, rejecting a call, Garmin Elevate, LiveTrack, TrueUp, Body Battery, auto lap, Physio TrueUp, music playback control, weather information Camera remote control, find phone function, automatic exercise recognition, music playback control, weather information, PAI Health Assessment System
Notifications Calendar, SMS, Email, social apps, incoming calls Calendar
Vibrating Alert Yes Yes
Feedback Type Vibration alert, visual interface Vibration alert, visual interface
Navigation (GPS) GPS/GLONASS/Galileo receiver GPS/GLONASS/Galileo/BeiDou/QZSS receiver
Payment Technology Garmin Pay -
Internet of Things (IoT) Compatible - Yes
IoT Intelligent Assistant - Alexa built-in
IoT Voice Controlled - Direct
CONNECTIVITY Garmin Forerunner 745 Amazfit GTR 3 Pro
Wireless Interface Bluetooth, Wi-Fi, NFC, ANT+ Wi-Fi, Bluetooth 5.0
DISPLAY Garmin Forerunner 745 Amazfit GTR 3 Pro
Type Memory-in-Pixel LCD - colour - transflective AMOLED - colour
Resolution 240 x 240 pixels 480 x 480 pixels
Screen Size 1.2" 1.45"
Aspect Ratio - Full circle
Pixel Density - 331 ppi
Screen Protection Corning Gorilla Glass DX (scratch resistant glass) Tempered glass
INPUT DEVICE Garmin Forerunner 745 Amazfit GTR 3 Pro
Type Touch sensitive screen Touch sensitive screen, push button
CASE Garmin Forerunner 745 Amazfit GTR 3 Pro
Case Shape Round Round
Bezel Fibre-reinforced polymer -
Case Details Black | Neo tropic -
Crown Type - Classic crown
BAND Garmin Forerunner 745 Amazfit GTR 3 Pro
Band Type Band Strap
Band Width 22 mm 22 mm
Fits Wrist with Circumference 126-216 mm 155-218 mm
Changeable Yes Yes
Clasp Type Buckle Buckle
Band Material Silicone Leather
Band Colour Black Brown | Infinite black
BATTERY Garmin Forerunner 745 Amazfit GTR 3 Pro
Technology Lithium Ion -
Capacity - 450 mAh
Battery Life 7 day(s) -
Battery Life Details Smartwatch mode - up to 7 days
GPS mode - up to 16 hour(s)
GPS with Music mode - up to 6 hour(s)
UltraTrac mode - up to 21 hour(s)
Battery safe mode - up to 30 days
Heavy usage - up to 6 days
Typical usage - up to 12 days
GPS mode - up to 35 hour(s)
Rechargeable Battery - Yes
Recharge Time - 2 hour(s)
MISCELLANEOUS Garmin Forerunner 745 Amazfit GTR 3 Pro
Included Accessories USB cable Magnetic charging stand
Preloaded Software Garmin Pay, Garmion Connect IQ Zepp App
Max Depth of Water Resistance 50 m 50 m
Max Operating Temperature 60 °C -
Min Operating Temperature -20 °C -
Warranty 1-year warranty 2-year warranty
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