In depth comparison and review of Xiaomi Mi Watch 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 | Xiaomi Mi Watch | Amazfit T-Rex 2 |
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Product Type | Smart watch | Smart watch |
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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 |
Wearing Style | Watch style | Watch style |
Width | - | 47.1 mm |
Height | - | 47.1 mm |
Depth | - | 13.65 mm |
Weight | - | 66.5 g |
Body Details | Case only: 32 g | - |
Body Material | Glass fibre reinforced polyamide | Polymer |
Protection | Water-resistant | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
Clock Display | Yes | Yes |
FEATURES | Xiaomi Mi Watch | Amazfit T-Rex 2 |
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Sensors | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, optical heart sensor, gyroscope | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor |
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Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, stress level, recovery time, vital signs | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation, sleep stages, stress level, menstrual cycle |
Modes | 117 workout modes | 150+ sports modes |
Goal Setting | Yes | Yes |
Features | Find phone function, flashlight, automatic exercise recognition, alarm, timer, breathing training function, music playback control, weather information, event reminders, off-the-wrist password protection | 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 | Vibration alert, visual interface |
Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | GPS receiver |
CONNECTIVITY | Xiaomi Mi Watch | Amazfit T-Rex 2 |
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Wireless Interface | Bluetooth 5.0 | Bluetooth 5.0 BLE |
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DISPLAY | Xiaomi Mi Watch | Amazfit T-Rex 2 |
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Type | AMOLED - colour | AMOLED - colour |
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Resolution | 454 x 454 pixels | 454 x 454 pixels |
Screen Size | 1.39" | 1.39" |
Pixel Density | 326 ppi | 326 ppi |
Always On Display (AOD) | Yes | Yes |
INPUT DEVICE | Xiaomi Mi Watch | Amazfit T-Rex 2 |
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Type | Touch sensitive screen | Touch sensitive screen, touch buttons |
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CASE | Xiaomi Mi Watch | Amazfit T-Rex 2 |
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Case Shape | Circular | Round |
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Case Details | Black | Beige | Navy blue | Ember black | Wild green | Desert khaki | Astro black and gold |
BAND | Xiaomi Mi Watch | Amazfit T-Rex 2 |
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Band Type | Strap | Strap |
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Fits Wrist with Circumference | 130-220 mm | 140-205 mm |
Clasp Type | Buckle | Buckle |
Band Material | TPU | Silicone |
Band Colour | Black | Beige | Navy blue | Ember black | Wild green | Desert khaki |
BATTERY | Xiaomi Mi Watch | Amazfit T-Rex 2 |
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Capacity | 420 mAh | 500 mAh |
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Battery Life | - | 24 day(s) |
Battery Life Details | Typical usage - up to 16 days Long battery mode - up to 22 days Workout mode - up to 50 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) |
MISCELLANEOUS | Xiaomi Mi Watch | Amazfit T-Rex 2 |
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Included Accessories | Magnetic charging dock | Magnetic charging dock |
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Preloaded Software | - | Zepp App |
Compliant Standards | - | MIL-STD 810G |
Max Depth of Water Resistance | 50 m | 100 m |
Max Operating Temperature | 45 °C | - |
Min Operating Temperature | -10 °C | - |
Warranty | 2-year warranty | 1-year warranty |