In depth comparison and review of Pebble 2 + Heart Rate 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 | Pebble 2 + Heart Rate | Amazfit T-Rex 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Pebble OS | Zepp OS |
| Supported Host Device OS | Android 4.3 (Jelly Bean) or later, iOS 8.0 or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | - |
| Width | - | 47.1 mm |
| Height | - | 47.1 mm |
| Depth | 9.8 mm | 13.65 mm |
| Weight | - | 66.5 g |
| Body Material | Polycarbonate | Polymer |
| Protection | Waterproof | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
| Colours | White | Charcoal/flame | Charcoal/lime | White aqua | - |
| Clock Display | Yes | Yes |
| FEATURES | Pebble 2 + Heart Rate | Amazfit T-Rex 2 |
|---|
| Sensors | Ambient light sensor, 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 | Time, calories burned, activity, sleep 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 | Music remote handling, call alerts, app alerts | 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 | Missed calls, calendar, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS receiver |
| CONNECTIVITY | Pebble 2 + Heart Rate | Amazfit T-Rex 2 |
|---|
| Wireless Interface | Bluetooth 4.0 | Bluetooth 5.0 BLE |
|---|
| DISPLAY | Pebble 2 + Heart Rate | Amazfit T-Rex 2 |
|---|
| Type | E Ink - monochrome | AMOLED - colour |
|---|---|---|
| Resolution | - | 454 x 454 pixels |
| Screen Size | - | 1.39" |
| Pixel Density | - | 326 ppi |
| Screen Protection | Scratch-resistant glass | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Pebble 2 + Heart Rate | Amazfit T-Rex 2 |
|---|
| Type | - | Touch sensitive screen, touch buttons |
|---|
| CASE | Pebble 2 + Heart Rate | Amazfit T-Rex 2 |
|---|
| Case Shape | - | Round |
|---|---|---|
| Case Details | Black | Black/flame | Ember black | Wild green | Desert khaki | Astro black and gold |
| BAND | Pebble 2 + Heart Rate | Amazfit T-Rex 2 |
|---|
| Band Type | Band | Strap |
|---|---|---|
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | - | 140-205 mm |
| Clasp Type | - | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | White | Ember black | Wild green | Desert khaki |
| BATTERY | Pebble 2 + Heart Rate | Amazfit T-Rex 2 |
|---|
| Capacity | - | 500 mAh |
|---|---|---|
| Battery Life | 7 day(s) | 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 | Pebble 2 + Heart Rate | Amazfit T-Rex 2 |
|---|
| Included Accessories | Magnetic charging cable | Magnetic charging dock |
|---|---|---|
| Preloaded Software | Silent alarm | Zepp App |
| Compliant Standards | - | MIL-STD 810G |
| Max Depth of Water Resistance | 30 m | 100 m |
| Warranty | - | 1-year warranty |
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