Garmin Instinct Solar vs. Amazfit T-Rex Pro

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Garmin Instinct Solar 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 Solar vs. Amazfit T-Rex Pro Comparison Chart
GENERAL Garmin Instinct Solar 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, fishing, climbing, snowboarding, rower, kayaking, hunting, jumpmaster, stand up paddleboarding 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 Pipeline | Tidal blue | Cloudbreak Desert grey
Clock Display Yes Yes
FEATURES Garmin Instinct Solar Amazfit T-Rex Pro
Sensors Accelerometer, barometer, thermometre, altimeter, 3-axis compass, 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, blood oxygen saturation, stress level Distance, calories burned, sleep activity, heart rate, blood oxygen saturation
Modes Stealth mode -
Goal Setting Yes Yes
Features Music remote handling, Heart Rate target zone selector, find phone function, Bluetooth Smart technology, VIRB control, inactivity alert, Move IQ, Find my Device, Garmin Elevate, TrueUp, Body Battery, solar charging, night vision compatibility, dual grid coordinates format, trackback routing 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 Solar Amazfit T-Rex Pro
Wireless Interface Bluetooth, ANT+ Bluetooth 5.0
DISPLAY Garmin Instinct Solar 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 Power Glass Tempered glass
Always On Display (AOD) - Yes
INPUT DEVICE Garmin Instinct Solar Amazfit T-Rex Pro
Type Touch buttons Touch sensitive screen
CASE Garmin Instinct Solar Amazfit T-Rex Pro
Case Shape Round Round
Case Details Graphite | Black | Moss | Flame red | Sunburst | Lichen camo Meteorite black | Steel blue
BAND Garmin Instinct Solar Amazfit T-Rex Pro
Band Type Band 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 Graphite | Black | Moss | Flame red | Sunburst | Lichen camo | Orchid | Graphite camo Meteorite black | Blue steel
BATTERY Garmin Instinct Solar Amazfit T-Rex Pro
Technology Lithium Ion Lithium polymer
Capacity - 390 mAh
Battery Life 56 day(s) 18 day(s)
Battery Life Details Smartwatch mode - up to 24 days
Smartwatch mode (with solar) - up to 54 days
Battery Saver Watch Mode - up to 56 days
Max Battery GPS Mode - up to 30 hour(s)
Max Battery GPS Mode (with solar) - up to 38 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 Solar Amazfit T-Rex Pro
Included Accessories Charging/data cable Magnetic charging dock
Compliant Standards MIL-STD-810 -
Max Depth of Water Resistance 100 m 100 m
Max Operating Temperature - 70 °C
Min Operating Temperature - -40 °C
Warranty - 1-year warranty
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