In depth comparison and review of Amazfit T-Rex Pro and Amazfit GTR 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 GTR 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: 32 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 GTR 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 |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Amazfit T-Rex Pro | Amazfit GTR 3 |
|---|
| Wireless Interface | Bluetooth 5.0 | Bluetooth 5.1 |
|---|
| DISPLAY | Amazfit T-Rex Pro | Amazfit GTR 3 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 360 x 360 pixels | 454 x 454 pixels |
| Screen Size | 1.3" | 1.39" |
| Aspect Ratio | - | Full circle |
| Pixel Density | - | 326 ppi |
| Screen Protection | Tempered glass | Tempered glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Amazfit T-Rex Pro | Amazfit GTR 3 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Amazfit T-Rex Pro | Amazfit GTR 3 |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Case Details | Meteorite black | Steel blue | - |
| Crown Type | - | Classic crown |
| BAND | Amazfit T-Rex Pro | Amazfit GTR 3 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 22 mm | 22 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 | Moonlight grey | Thunder black |
| BATTERY | Amazfit T-Rex Pro | Amazfit GTR 3 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 390 mAh | 450 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 35 days Heavy usage - up to 10 days Typical usage - up to 21 days GPS mode - up to 35 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 1.5 hour(s) | 2 hour(s) |
| MISCELLANEOUS | Amazfit T-Rex Pro | Amazfit GTR 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 | 1-year warranty |
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