Amazfit GTR 3 Pro vs. Amazfit T-Rex 2

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Amazfit GTR 3 Pro and Amazfit T-Rex 2. 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

Amazfit GTR 3 Pro vs. Amazfit T-Rex 2 Comparison Chart
GENERAL Amazfit GTR 3 Pro Amazfit T-Rex 2
Product Type Smart watch Smart watch
Operating System Zepp OS Zepp OS
Supported Host Device OS iOS 12 or later, Android 7.0 (Nougat) or later iOS 12 or later, Android 7.0 (Nougat) or later
Activity/Sport Multisport Multisport
Wearing Style Watch style Watch style
Audio Input Microphone -
Width - 47.1 mm
Height - 47.1 mm
Depth - 13.65 mm
Weight - 66.5 g
Body Details Case only: 32 g -
Body Material Aluminium alloy Polymer
Protection Water-resistant Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant
Clock Display Yes Yes
FEATURES Amazfit GTR 3 Pro Amazfit T-Rex 2
Sensors Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor
Tracking Data Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level Distance, calories burned, sleep activity, heart rate, blood oxygen saturation, sleep stages, stress level, menstrual cycle
Modes - 150+ sports modes
Goal Setting Yes Yes
Features Camera remote control, find phone function, automatic exercise recognition, music playback control, weather information, PAI Health Assessment System Camera remote control, find phone function, flashlight, alarm, realtime location tracking, weather information, event reminders, PAI Health Assessment System, pomodoro timer, stopwatch timer, PeakBeats workout status algorithm, OxygenBeats algorithm, ExerSense algorithm, SomnusCare, Dual-band navigation
Notifications Calendar Missed calls, calendar, incoming calls, applications
Vibrating Alert Yes Yes
Feedback Type Vibration alert, visual interface Vibration alert, visual interface
Navigation (GPS) GPS/GLONASS/Galileo/BeiDou/QZSS receiver GPS receiver
Internet of Things (IoT) Compatible Yes -
IoT Intelligent Assistant Alexa built-in -
IoT Voice Controlled Direct -
CONNECTIVITY Amazfit GTR 3 Pro Amazfit T-Rex 2
Wireless Interface Wi-Fi, Bluetooth 5.0 Bluetooth 5.0 BLE
DISPLAY Amazfit GTR 3 Pro Amazfit T-Rex 2
Type AMOLED - colour AMOLED - colour
Resolution 480 x 480 pixels 454 x 454 pixels
Screen Size 1.45" 1.39"
Aspect Ratio Full circle -
Pixel Density 331 ppi 326 ppi
Screen Protection Tempered glass -
Always On Display (AOD) - Yes
INPUT DEVICE Amazfit GTR 3 Pro Amazfit T-Rex 2
Type Touch sensitive screen, push button Touch sensitive screen, touch buttons
CASE Amazfit GTR 3 Pro Amazfit T-Rex 2
Case Shape Round Round
Case Details - Ember black | Wild green | Desert khaki | Astro black and gold
Crown Type Classic crown -
BAND Amazfit GTR 3 Pro Amazfit T-Rex 2
Band Type Strap Strap
Band Width 22 mm -
Fits Wrist with Circumference 155-218 mm 140-205 mm
Changeable Yes -
Clasp Type Buckle Buckle
Band Material Leather Silicone
Band Colour Brown | Infinite black Ember black | Wild green | Desert khaki
BATTERY Amazfit GTR 3 Pro Amazfit T-Rex 2
Capacity 450 mAh 500 mAh
Battery Life - 24 day(s)
Battery Life Details 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)
Typical usage - up to 24 days
Battery safe mode - up to 45 days
Heavy usage - up to 10 days
Accurate mode (with GPS) - up to 26 hour(s)
Balanced mode (with GPS) - up to 50 hour(s)
Power saving mode (with GPS) - up to 58 hour(s)
Ultra-low temperature (with GPS) - up to 10 hour(s)
Ultra-low temperature (without GPS) - up to 9 days
Rechargeable Battery Yes Yes
Recharge Time 2 hour(s) 2 hour(s)
MISCELLANEOUS Amazfit GTR 3 Pro Amazfit T-Rex 2
Included Accessories Magnetic charging stand Magnetic charging dock
Preloaded Software Zepp App Zepp App
Compliant Standards - MIL-STD 810G
Max Depth of Water Resistance 50 m 100 m
Warranty 2-year warranty 1-year warranty
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