In depth comparison and review of ASUS ZenWatch 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 | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Android Wear | Zepp OS |
| Supported Host Device OS | Android 4.3 (Jelly Bean) or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | - | Watch style |
| Audio Input | Microphone | - |
| Width | - | 47.1 mm |
| Height | - | 47.1 mm |
| Depth | - | 13.65 mm |
| Weight | - | 66.5 g |
| Body Details | Wrist strap: 22 mm 25 g | - |
| Body Material | Stainless steel | Polymer |
| Protection | Waterproof | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
| Colours | Silver, rose gold | - |
| Clock Display | - | Yes |
| FEATURES | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Sensors | 3-axis gyro sensor, digital compass, heart rate, 3-axis accelerometer | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Calories burned, activity, heart rate, steps taken | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation, sleep stages, stress level, menstrual cycle |
| Modes | - | 150+ sports modes |
| Goal Setting | - | Yes |
| Features | Charging terminals, camera remote control | 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 | Missed calls, SMS, Email | Missed calls, calendar, incoming calls, applications |
| Vibrating Alert | - | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS receiver |
| CELLULAR | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Messaging Services | SMS | - |
|---|---|---|
| Supported Mobile Messaging Services | SMS | - |
| CONNECTIVITY | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Wireless Interface | Bluetooth 4.0 | Bluetooth 5.0 BLE |
|---|---|---|
| Connectors | Micro-USB | - |
| DISPLAY | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 320 x 320 pixels | 454 x 454 pixels |
| Screen Size | 1.63" | 1.39" |
| Pixel Density | 278 ppi | 326 ppi |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, touch buttons |
|---|
| CASE | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Case Shape | - | Round |
|---|---|---|
| Case Details | - | Ember black | Wild green | Desert khaki | Astro black and gold |
| BAND | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Band Type | - | Strap |
|---|---|---|
| Fits Wrist with Circumference | - | 140-205 mm |
| Changeable | Yes | - |
| Clasp Type | - | Buckle |
| Band Material | - | Silicone |
| Band Colour | - | Ember black | Wild green | Desert khaki |
| STORAGE | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Storage Capacity | 4 GB | - |
|---|
| RAM | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Manufacturer | Qualcomm | - |
|---|---|---|
| CPU Type | Snapdragon 400 | - |
| Clock Speed | 1.2 GHz | - |
| BATTERY | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 1.4 Wh | 500 mAh |
| Battery Life | - | 24 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 |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | ASUS ZenWatch | Amazfit T-Rex 2 |
|---|
| Included Accessories | Power adapter, USB charging cable, charging cradle, brown leather wrist strap | Magnetic charging dock |
|---|---|---|
| Preloaded Software | ViewFinder, Voice Command, Alarm Clock, Google Maps Navigation, Google Now | Zepp App |
| Compliant Standards | IP55 | MIL-STD 810G |
| Max Depth of Water Resistance | - | 100 m |
| Warranty | 1-year warranty | 1-year warranty |
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