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.
GENERAL | Garmin Instinct Solar | Amazfit T-Rex Pro |
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Product Type | Sport watch | Smart watch |
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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 |
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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 |
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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 |
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Wireless Interface | Bluetooth, ANT+ | Bluetooth 5.0 |
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DISPLAY | Garmin Instinct Solar | Amazfit T-Rex Pro |
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Type | Memory-in-Pixel LCD - monochrome - transflective | AMOLED - colour |
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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 |
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Type | Touch buttons | Touch sensitive screen |
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CASE | Garmin Instinct Solar | Amazfit T-Rex Pro |
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Case Shape | Round | Round |
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Case Details | Graphite | Black | Moss | Flame red | Sunburst | Lichen camo | Meteorite black | Steel blue |
BAND | Garmin Instinct Solar | Amazfit T-Rex Pro |
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Band Type | Band | Band |
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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 |
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Technology | Lithium Ion | Lithium polymer |
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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 |
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Included Accessories | Charging/data cable | Magnetic charging dock |
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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 |