In depth comparison and review of Amazfit T-Rex 2 and Huawei Watch GT 4. 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 2 | Huawei Watch GT 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Zepp OS | - |
| Supported Host Device OS | iOS 12 or later, Android 7.0 (Nougat) or later | Android 8.0 (Oreo) or later, iOS 13.0 or later |
| Activity/Sport | Multisport | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 47.1 mm | - |
| Height | 47.1 mm | - |
| Depth | 13.65 mm | - |
| Weight | 66.5 g | - |
| Body Details | - | Case only: 37 g |
| Body Material | Polymer | Stainless steel |
| Protection | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant | Dustproof, waterproof |
| Colours | - | Light gold | Silver |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit T-Rex 2 | Huawei Watch GT 4 |
|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor | Accelerometer, barometer, magnetometer, optical heart sensor, PPG sensor, gyroscope, temperature sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation, sleep stages, stress level, menstrual cycle | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, menstrual cycle, calorie intake, temperature, ECG, sleep quality score, training intensity |
| Modes | 150+ sports modes | 100+ Workout modes |
| Goal Setting | Yes | Yes |
| Features | 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 | Call handling, answering a call, OTA update, music playback control, personalised coaching, Quick Reply, voice guidance, customisable watch faces, HUAWEI TruSleep 3.0, HUAWEI TruSeen 5.5+ |
| Notifications | Missed calls, calendar, incoming calls, applications | Calendar, SMS, Email, social apps, applications, high and low heart rate, irregular rhythm |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS receiver | GPS/GNSS receiver |
| CONNECTIVITY | Amazfit T-Rex 2 | Huawei Watch GT 4 |
|---|
| Wireless Interface | Bluetooth 5.0 BLE | NFC, Bluetooth 5.2 BR/EDR + BLE |
|---|
| DISPLAY | Amazfit T-Rex 2 | Huawei Watch GT 4 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 454 x 454 pixels | 466 x 466 pixels |
| Screen Size | 1.39" | 1.32" |
| Pixel Density | 326 ppi | 352 ppi |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Amazfit T-Rex 2 | Huawei Watch GT 4 |
|---|
| Type | Touch sensitive screen, touch buttons | Touch sensitive screen, push buttons, rotating crown |
|---|
| CASE | Amazfit T-Rex 2 | Huawei Watch GT 4 |
|---|
| Case Size | - | 41 mm |
|---|---|---|
| Case Shape | Round | Round |
| Case Back | - | Glass fibre reinforced polymer |
| Case Details | Ember black | Wild green | Desert khaki | Astro black and gold | Stainless steel |
| BAND | Amazfit T-Rex 2 | Huawei Watch GT 4 |
|---|
| Band Type | Strap | Milanese strap |
|---|---|---|
| Band Width | - | 18 mm |
| Fits Wrist with Circumference | 140-205 mm | 120-190 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | - |
| Band Material | Silicone | Stainless steel |
| Band Colour | Ember black | Wild green | Desert khaki | - |
| BATTERY | Amazfit T-Rex 2 | Huawei Watch GT 4 |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | 500 mAh | 323 mAh |
| Battery Life | 24 day(s) | 7 day(s) |
| Battery Life Details | 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 |
Maximum usage - up to 7 days Regular usage - up to 4 days Always-on display mode - up to 2 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2 hour(s) | - |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Amazfit T-Rex 2 | Huawei Watch GT 4 |
|---|
| Included Accessories | Magnetic charging dock | Charging cradle, charging cable |
|---|---|---|
| Preloaded Software | Zepp App | Calendar |
| Compliant Standards | MIL-STD 810G | ISO 22810 |
| Specific Absorption Rate (SAR) | - | 0.12 W/kg (head) 0.25 W/kg (body) 0.42 W/kg (limb) |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -20 °C |
| Manufacturer Model Number | - | ARA-B19 |
| Warranty | 1-year warranty | 2-year warranty |
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