Garmin Instinct vs. Amazfit T-Rex Pro

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Garmin Instinct and Amazfit T-Rex 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 Instinct vs. Amazfit T-Rex Pro Comparison Chart
GENERAL Garmin Instinct Amazfit T-Rex Pro
Product Type Sport watch Smart watch
Supported Host Device OS iOS, Android iOS 10 or later, Android 5.0 (Lollipop) or later
Activity/Sport Running, swimming, ski, cycling, hiking, eSport, climbing, yoga, workout, snowboarding, cardio training, rower, kayaking, stand up paddleboarding, mountain biking Multisport
Wearing Style Watch style Watch style
Width 45 mm -
Height 45 mm -
Depth 15.3 mm -
Weight 53 g -
Body Details - With band: 59.4 g
Body Material Fibre-reinforced polymer Polycarbonate
Protection Waterproof Water-resistant, temperature protection, salt fog protection, freezeproof
Colours - Desert grey
Clock Display Yes Yes
FEATURES Garmin Instinct Amazfit T-Rex Pro
Sensors Accelerometer, digital compass, thermometre, barometric altimeter, optical heart sensor Ambient light sensor, 3-axis gyro sensor, geomagnetic sensor, barometric altimeter, 3-axis accelerometer, BioTracker 2 PPG biological tracking optical sensor
Tracking Data Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, stress level, menstrual cycle, hydration Distance, calories burned, sleep activity, heart rate, blood oxygen saturation
Goal Setting Yes Yes
Features Music remote handling, find phone function, VIRB control, inactivity alert, Move IQ, Find my Device, Garmin Elevate, LiveTrack, TrueUp, Body Battery, Physio TrueUp Music remote handling, event reminders
Notifications Missed calls, calendar, SMS, Email, social apps SMS, incoming calls, applications
Vibrating Alert Yes Yes
Navigation (GPS) GPS/GLONASS/Galileo receiver GPS/GLONASS/Galileo/BeiDou receiver
CONNECTIVITY Garmin Instinct Amazfit T-Rex Pro
Wireless Interface Bluetooth, Wi-Fi, ANT+ Bluetooth 5.0
DISPLAY Garmin Instinct Amazfit T-Rex Pro
Type Memory-in-Pixel LCD - monochrome - transflective AMOLED - colour
Resolution 128 x 128 pixels 360 x 360 pixels
Screen Size - 1.3"
Dimensions (WxH) 23 mm x 23 mm -
Screen Protection Chemically strengthened glass Tempered glass
Always On Display (AOD) - Yes
INPUT DEVICE Garmin Instinct Amazfit T-Rex Pro
Type Touch buttons Touch sensitive screen
CASE Garmin Instinct Amazfit T-Rex Pro
Case Shape Round Round
Bezel Fibre-reinforced polymer -
Case Details Black lava | Coyote tan | Sunburst | Lakeside blue | Sea foam | Tundra | Graphite | Flame red Meteorite black | Steel blue
BAND Garmin Instinct Amazfit T-Rex Pro
Band Type Strap Band
Band Width 22 mm 22 mm
Fits Wrist with Circumference 132-224 mm -
Changeable Yes -
Clasp Type Buckle Buckle
Band Material Silicone Silicone rubber
Band Colour Lava black | Coyote tan | Sunburst | Lakeside blue | Sea foam Meteorite black | Blue steel
BATTERY Garmin Instinct Amazfit T-Rex Pro
Technology Lithium Ion Lithium polymer
Capacity - 390 mAh
Battery Life 14 day(s) 18 day(s)
Battery Life Details Smartwatch mode - up to 14 days
Esports mode - up to 80 hour(s)
GPS mode - up to 16 hour(s)
UltraTrac mode - up to 40 hour(s)
Typical usage - up to 18 days
Heavy usage - up to 9 days
GPS mode - up to 40 hour(s)
Rechargeable Battery Yes Yes
Recharge Time - 1.5 hour(s)
MISCELLANEOUS Garmin Instinct Amazfit T-Rex Pro
Included Accessories Charging/data cable Magnetic charging dock
Preloaded Software STR3AMUP! -
Compliant Standards MIL-STD 810G -
Max Depth of Water Resistance 100 m 100 m
Max Operating Temperature 60 °C 70 °C
Min Operating Temperature -20 °C -40 °C
Warranty 1-year warranty 1-year warranty
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