In depth comparison and review of LifeTrak Brite R450 and Amazfit GTR 4. 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 GTR 4 |
|---|
| 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 |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 42 mm | - |
| Lenght | 217 mm | - |
| Body Details | - | With band: 34 g |
| Body Material | - | Aluminium alloy frame |
| Protection | Waterproof | Water-resistant |
| Colours | Midnight black/titanium | Arctic white/orchid | Midnight black/freesia | - |
| Clock Display | - | Yes |
| FEATURES | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| Sensors | Heart rate, light spectrum sensor | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken | Time, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, sleep stages, stress level, menstrual cycle, personal activity intelligence (PAI), recovery time, training load, sleep quality score, nap, sleep breathing quality |
| Modes | - | 154 sports modes |
| Goal Setting | - | Yes |
| Features | Call handling, HRmax, ECG accurate heart rate | Strength training guidance, camera remote control, find phone function, answering a call, VO2 max, making a call, Find my Device, breathing training function, store & play music, sunrise/sunset times, auto pause, auto lap, realtime location tracking, music playback control, weather information, PeakBeats workout status algorithm, ExerSense algorithm, Dual-band navigation, linear motor, Virtual Pacer, track run mode, smart trajectory correction, route file import |
| Notifications | Missed calls, calendar, SMS, Email | SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CELLULAR | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| Messaging Services | Yes, SMS, MMS | - |
|---|---|---|
| Supported Mobile Messaging Services | MMS, SMS | - |
| CONNECTIVITY | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| Wireless Interface | Bluetooth | Wi-Fi, Bluetooth 5.0 BLE |
|---|
| DISPLAY | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| Type | Monochrome | AMOLED - colour |
|---|---|---|
| Resolution | - | 466 x 466 pixels |
| Screen Size | 1.06" | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | - | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| Case Shape | - | Circular |
|---|---|---|
| Case Back | - | Polycarbonate |
| Case Details | - | Aluminium alloy |
| BAND | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| Band Type | - | Strap |
|---|---|---|
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | - | 150-215 mm |
| Changeable | - | Yes |
| Clasp Type | - | Pin buckle |
| Band Material | - | Fluoroelastomer |
| Band Colour | - | Superspeed black | Vintage brown leather |
| STORAGE | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| User Memory | - | 2.3 GB |
|---|
| BATTERY | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| Form Factor | CR2032 | - |
|---|---|---|
| Capacity | - | 475 mAh |
| Battery Life Details | - | Typical usage - up to 14 days Battery Saver Watch Mode - up to 24 days Clock - up to 50 days Heavy usage - up to 7 days Accurate mode (with GPS) - up to 25 hours GPS mode - up to 44 hours Power saving mode (with GPS) - up to 52 hours |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 2 hour(s) |
| MISCELLANEOUS | LifeTrak Brite R450 | Amazfit GTR 4 |
|---|
| Included Accessories | - | Magnetic charging cable |
|---|---|---|
| Preloaded Software | RSS reader, SleepTrak 2.0 | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Compliant Standards | FCC, RoHS | - |
| Max Depth of Water Resistance | - | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Warranty | 1-year warranty | 1-year warranty |
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