In depth comparison and review of Amazfit T-Rex 2 and Amazfit Bip 3 Pro. 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 | Amazfit Bip 3 Pro |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | 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 |
| Width | 47.1 mm | - |
| Height | 47.1 mm | - |
| Depth | 13.65 mm | - |
| Weight | 66.5 g | - |
| Body Details | - | Case only: 33.2 g |
| Body Material | Polymer | Plastic |
| Protection | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant | Dustproof, waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit T-Rex 2 | Amazfit Bip 3 Pro |
|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor | 3-axis accelerometer, BioTracker 2 PPG biological tracking optical sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, blood oxygen saturation, sleep stages, stress level, menstrual cycle | Distance, speed, calories burned, sleep activity, heart rate, blood oxygen saturation, pace, sleep stages, stress level, menstrual cycle, personal activity intelligence (PAI), REM phases, nap, sleep breathing quality |
| Modes | 150+ sports modes | 61 sports 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 | OTA update, breathing training function, music playback control, Reminders, rotor motor, OxygenBeats algorithm, SomnusCare |
| Notifications | Missed calls, calendar, incoming calls, applications | SMS, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS receiver | GPS receiver |
| CONNECTIVITY | Amazfit T-Rex 2 | Amazfit Bip 3 Pro |
|---|
| Wireless Interface | Bluetooth 5.0 BLE | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Amazfit T-Rex 2 | Amazfit Bip 3 Pro |
|---|
| Type | AMOLED - colour | TFT - colour |
|---|---|---|
| Resolution | 454 x 454 pixels | 240 x 280 pixels |
| Screen Size | 1.39" | 1.69" |
| Pixel Density | 326 ppi | - |
| Screen Protection | - | Fingerprint-resistant coating, 2.5D tempered glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Amazfit T-Rex 2 | Amazfit Bip 3 Pro |
|---|
| Type | Touch sensitive screen, touch buttons | Touch sensitive screen |
|---|
| CASE | Amazfit T-Rex 2 | Amazfit Bip 3 Pro |
|---|
| Case Shape | Round | Rectangular |
|---|---|---|
| Case Details | Ember black | Wild green | Desert khaki | Astro black and gold | Black | Pink | Cream |
| BAND | Amazfit T-Rex 2 | Amazfit Bip 3 Pro |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | - | 20 mm |
| Fits Wrist with Circumference | 140-205 mm | 153-218 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Ember black | Wild green | Desert khaki | Black | Pink | Cream |
| BATTERY | Amazfit T-Rex 2 | Amazfit Bip 3 Pro |
|---|
| Capacity | 500 mAh | 280 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 |
Typical usage - up to 14 days Heavy usage - up to 7 days |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2 hour(s) | 2 hour(s) |
| MISCELLANEOUS | Amazfit T-Rex 2 | Amazfit Bip 3 Pro |
|---|
| Included Accessories | Magnetic charging dock | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Zepp App | - |
| Compliant Standards | MIL-STD 810G | IP68 |
| Max Depth of Water Resistance | 100 m | 50 m |
| Warranty | 1-year warranty | 1-year warranty |
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