In depth comparison and review of LifeTrak Brite R450 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 | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | iOS 7.0 or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | - | Watch style |
| Width | 42 mm | 47.1 mm |
| Height | - | 47.1 mm |
| Lenght | 217 mm | - |
| Depth | - | 13.65 mm |
| Weight | - | 66.5 g |
| Body Material | - | Polymer |
| Protection | Waterproof | Shockproof, water-resistant, salt fog protection, freezeproof, heat-resistant |
| Colours | Midnight black/titanium | Arctic white/orchid | Midnight black/freesia | - |
| Clock Display | - | Yes |
| FEATURES | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Sensors | Heart rate, light spectrum sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, geomagnetic sensor, barometric altimeter, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, 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 | Call handling, HRmax, ECG accurate heart rate | 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, calendar, SMS, Email | Missed calls, calendar, incoming calls, applications |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS receiver |
| CELLULAR | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Messaging Services | Yes, SMS, MMS | - |
|---|---|---|
| Supported Mobile Messaging Services | MMS, SMS | - |
| CONNECTIVITY | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Wireless Interface | Bluetooth | Bluetooth 5.0 BLE |
|---|
| DISPLAY | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Type | Monochrome | AMOLED - colour |
|---|---|---|
| Resolution | - | 454 x 454 pixels |
| Screen Size | 1.06" | 1.39" |
| Pixel Density | - | 326 ppi |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Type | - | Touch sensitive screen, touch buttons |
|---|
| CASE | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Case Shape | - | Round |
|---|---|---|
| Case Details | - | Ember black | Wild green | Desert khaki | Astro black and gold |
| BAND | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Band Type | - | Strap |
|---|---|---|
| Fits Wrist with Circumference | - | 140-205 mm |
| Clasp Type | - | Buckle |
| Band Material | - | Silicone |
| Band Colour | - | Ember black | Wild green | Desert khaki |
| BATTERY | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Form Factor | CR2032 | - |
|---|---|---|
| Capacity | - | 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 | LifeTrak Brite R450 | Amazfit T-Rex 2 |
|---|
| Included Accessories | - | Magnetic charging dock |
|---|---|---|
| Preloaded Software | RSS reader, SleepTrak 2.0 | Zepp App |
| Compliant Standards | FCC, RoHS | MIL-STD 810G |
| Max Depth of Water Resistance | - | 100 m |
| Warranty | 1-year warranty | 1-year warranty |
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