In depth comparison and review of Huawei Watch 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 | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | HarmonyOS | Zepp OS |
| Supported Host Device OS | iOS 9 or later, Android 6.0 (Marshmallow) or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Output | Speaker | - |
| Width | - | 47.1 mm |
| Height | - | 47.1 mm |
| Depth | - | 13.65 mm |
| Weight | - | 66.5 g |
| Body Details | Case only: 54 g | - |
| Body Material | Stainless steel, ceramic | Polymer |
| Protection | Dustproof, waterproof | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, thermometre, gyro sensor, geomagnetic sensor, optical heart sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, skin temperature, 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 |
| Features | Call handling, music remote handling, camera remote control, find phone function, gesture control, voice announcements, breathing training function, store & play music, Fall detection, Emergency SOS, HUAWEI TruSeen 4.5 | 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 | SMS, Email, social apps, incoming calls | Missed calls, calendar, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | GPS receiver |
| Internet of Things (IoT) Compatible | Yes | - |
| IoT Intelligent Assistant | Celia | - |
| CELLULAR | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Technology | WCDMA (UMTS) / GSM | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| Messaging Services | SMS | - |
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Wireless Interface | Wi-Fi, LTE, NFC, Bluetooth 5.2 | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 466 x 466 pixels | 454 x 454 pixels |
| Screen Size | 1.43" | 1.39" |
| Aspect Ratio | Full circle | - |
| Pixel Density | 326 ppi | 326 ppi |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen, touch buttons |
|---|
| CASE | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Case Size | 46 mm | - |
|---|---|---|
| Case Shape | Round | Round |
| Case Details | Stainless steel | Ember black | Wild green | Desert khaki | Astro black and gold |
| BAND | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 140-210 mm | 140-205 mm |
| Clasp Type | Buckle | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Brown | Black | Blue grey | Ember black | Wild green | Desert khaki |
| STORAGE | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Storage Capacity | 16 GB | - |
|---|
| RAM | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| RAM Size | 2 GB | - |
|---|
| CPU | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Manufacturer | Hisilicon | - |
|---|---|---|
| CPU Type | HI6262 | - |
| BATTERY | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Capacity | 450 mAh | 500 mAh |
|---|---|---|
| Battery Life | 3 day(s) | 24 day(s) |
| Battery Life Details | Ultra-long battery life mode - up to 14 days Typical usage - up to 3 days |
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 |
| Standby Time | 14 days | - |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2 hour(s) | 2 hour(s) |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Huawei Watch 3 | Amazfit T-Rex 2 |
|---|
| Included Accessories | Charging cradle, charging cable | Magnetic charging dock |
|---|---|---|
| Preloaded Software | - | Zepp App |
| Compliant Standards | - | MIL-STD 810G |
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Warranty | - | 1-year warranty |
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