In depth comparison and review of Polar M430 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 | Polar M430 | Amazfit T-Rex 2 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | iOS, Android, Windows, MacOS | 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 | 12 mm | 13.65 mm |
| Weight | 51 g | 66.5 g |
| Body Material | - | Polymer |
| Protection | Water-resistant | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
| Colours | White | Orange | Black | Blue | Grey | - |
| Clock Display | Yes | Yes |
| FEATURES | Polar M430 | Amazfit T-Rex 2 |
|---|
| Sensors | Accelerometer, optical heart sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, speed, 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 | Yes |
| Features | Fitness test | 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 | Calendar, SMS, 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/A-GPS receiver | GPS receiver |
| CONNECTIVITY | Polar M430 | Amazfit T-Rex 2 |
|---|
| Wireless Interface | Bluetooth | Bluetooth 5.0 BLE |
|---|---|---|
| Connectors | USB | - |
| DISPLAY | Polar M430 | Amazfit T-Rex 2 |
|---|
| Type | LCD - monochrome | AMOLED - colour |
|---|---|---|
| Resolution | 128 x 128 pixels | 454 x 454 pixels |
| Screen Size | - | 1.39" |
| Pixel Density | - | 326 ppi |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Polar M430 | Amazfit T-Rex 2 |
|---|
| Type | Push buttons | Touch sensitive screen, touch buttons |
|---|
| CASE | Polar M430 | Amazfit T-Rex 2 |
|---|
| Case Shape | - | Round |
|---|---|---|
| Case Details | - | Ember black | Wild green | Desert khaki | Astro black and gold |
| BAND | Polar M430 | Amazfit T-Rex 2 |
|---|
| Band Type | - | Strap |
|---|---|---|
| Band Size | S | - |
| Fits Wrist with Circumference | - | 140-205 mm |
| Clasp Type | - | Buckle |
| Band Material | - | Silicone |
| Band Colour | - | Ember black | Wild green | Desert khaki |
| BATTERY | Polar M430 | Amazfit T-Rex 2 |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Capacity | 240 mAh | 500 mAh |
| Battery Life | 8 hours | 24 day(s) |
| Battery Life Details | Watch mode - up to 14 days Training mode - up to 5 days Training mode (GPS and wrist-based heart rate) - up to 8 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 |
| Standby Time | 14 days | - |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | Polar M430 | Amazfit T-Rex 2 |
|---|
| Included Accessories | USB charging cable | Magnetic charging dock |
|---|---|---|
| Preloaded Software | - | Zepp App |
| Compliant Standards | - | MIL-STD 810G |
| Max Depth of Water Resistance | 30 m | 100 m |
| Max Operating Temperature | 50 °C | - |
| Min Operating Temperature | -10 °C | - |
| Warranty | 2-year warranty | 1-year warranty |
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