In depth comparison and review of Amazfit T-Rex Pro and Amazfit GTS 3. 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 | Amazfit T-Rex Pro | Amazfit GTS 3 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | iOS 10 or later, Android 5.0 (Lollipop) 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 |
| Body Details | With band: 59.4 g | Case only: 24.4 g |
| Body Material | Polycarbonate | Aluminium alloy |
| Protection | Water-resistant, temperature protection, salt fog protection, freezeproof | Water-resistant |
| Colours | Desert grey | - |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit T-Rex Pro | Amazfit GTS 3 |
|---|
| Sensors | Ambient light sensor, 3-axis gyro sensor, geomagnetic sensor, barometric altimeter, 3-axis accelerometer, BioTracker 2 PPG biological tracking optical sensor | Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, event reminders | Camera remote control, find phone function, automatic exercise recognition, weather information, PAI Health Assessment System |
| Notifications | SMS, incoming calls, applications | Calendar |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa |
| CONNECTIVITY | Amazfit T-Rex Pro | Amazfit GTS 3 |
|---|
| Wireless Interface | Bluetooth 5.0 | Bluetooth 5.1 |
|---|
| DISPLAY | Amazfit T-Rex Pro | Amazfit GTS 3 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 390 x 450 pixels |
| Screen Size | 1.3" | 1.75" |
| Pixel Density | - | 341 ppi |
| Screen Protection | Tempered glass | Tempered glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Amazfit T-Rex Pro | Amazfit GTS 3 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Amazfit T-Rex Pro | Amazfit GTS 3 |
|---|
| Case Shape | Round | Rectangular |
|---|---|---|
| Case Details | Meteorite black | Steel blue | - |
| Crown Type | - | Classic crown |
| BAND | Amazfit T-Rex Pro | Amazfit GTS 3 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 22 mm | 20 mm |
| Fits Wrist with Circumference | - | 155-218 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone rubber | Silicone |
| Band Colour | Meteorite black | Blue steel | Graphite black | Ivory white | Pink earth |
| BATTERY | Amazfit T-Rex Pro | Amazfit GTS 3 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 390 mAh | 250 mAh |
| Battery Life | 18 day(s) | - |
| Battery Life Details | Typical usage - up to 18 days Heavy usage - up to 9 days GPS mode - up to 40 hour(s) |
Battery safe mode - up to 20 days Heavy usage - up to 6 days Typical usage - up to 12 days GPS mode - up to 20 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 1.5 hour(s) | 2 hour(s) |
| MISCELLANEOUS | Amazfit T-Rex Pro | Amazfit GTS 3 |
|---|
| Included Accessories | Magnetic charging dock | Magnetic charging stand |
|---|---|---|
| Preloaded Software | - | Zepp App |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | 70 °C | - |
| Min Operating Temperature | -40 °C | - |
| Warranty | 1-year warranty | 2-year warranty |
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