In depth comparison and review of Amazfit GTR 3 and Amazfit T-Rex 2. 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 GTR 3 | Amazfit T-Rex 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Zepp OS | Zepp OS |
| Supported Host Device OS | iOS 12 or later, Android 7.0 (Nougat) 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 | - |
| Width | - | 47.1 mm |
| Height | - | 47.1 mm |
| Depth | - | 13.65 mm |
| Weight | - | 66.5 g |
| Body Details | Case only: 32 g | - |
| Body Material | Aluminium alloy | Polymer |
| Protection | Water-resistant | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit GTR 3 | Amazfit T-Rex 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation, sleep stages, stress level, menstrual cycle |
| Modes | - | 150+ sports modes |
| Goal Setting | Yes | Yes |
| Features | Camera remote control, find phone function, automatic exercise recognition, weather information, PAI Health Assessment System | Camera remote control, find phone function, flashlight, alarm, realtime location tracking, weather information, event reminders, PAI Health Assessment System, pomodoro timer, stopwatch timer, PeakBeats workout status algorithm, OxygenBeats algorithm, ExerSense algorithm, SomnusCare, Dual-band navigation |
| Notifications | Calendar | Missed calls, calendar, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | GPS receiver |
| Internet of Things (IoT) Compatible | Yes | - |
| IoT Intelligent Assistant | Alexa | - |
| IoT Voice Controlled | Direct | - |
| CONNECTIVITY | Amazfit GTR 3 | Amazfit T-Rex 2 |
|---|
| Wireless Interface | Bluetooth 5.1 | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Amazfit GTR 3 | Amazfit T-Rex 2 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 454 x 454 pixels | 454 x 454 pixels |
| Screen Size | 1.39" | 1.39" |
| Aspect Ratio | Full circle | - |
| Pixel Density | 326 ppi | 326 ppi |
| Screen Protection | Tempered glass | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Amazfit GTR 3 | Amazfit T-Rex 2 |
|---|
| Type | Touch sensitive screen, push button | Touch sensitive screen, touch buttons |
|---|
| CASE | Amazfit GTR 3 | Amazfit T-Rex 2 |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Case Details | - | Ember black | Wild green | Desert khaki | Astro black and gold |
| Crown Type | Classic crown | - |
| BAND | Amazfit GTR 3 | Amazfit T-Rex 2 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 155-218 mm | 140-205 mm |
| Changeable | Yes | - |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Moonlight grey | Thunder black | Ember black | Wild green | Desert khaki |
| BATTERY | Amazfit GTR 3 | Amazfit T-Rex 2 |
|---|
| Capacity | 450 mAh | 500 mAh |
|---|---|---|
| Battery Life | - | 24 day(s) |
| Battery Life Details | 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) |
Typical usage - up to 24 days Battery safe mode - up to 45 days Heavy usage - up to 10 days Accurate mode (with GPS) - up to 26 hour(s) Balanced mode (with GPS) - up to 50 hour(s) Power saving mode (with GPS) - up to 58 hour(s) Ultra-low temperature (with GPS) - up to 10 hour(s) Ultra-low temperature (without GPS) - up to 9 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2 hour(s) | 2 hour(s) |
| MISCELLANEOUS | Amazfit GTR 3 | Amazfit T-Rex 2 |
|---|
| Included Accessories | Magnetic charging stand | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Zepp App | Zepp App |
| Compliant Standards | - | MIL-STD 810G |
| Max Depth of Water Resistance | 50 m | 100 m |
| Warranty | 1-year warranty | 1-year warranty |
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