In depth comparison and review of BOSS Classic 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 | BOSS Classic | Amazfit GTR 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | Android 4.4 (KitKat) or later, iOS 9 or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Weight | 91 g | - |
| Body Details | - | With band: 34 g |
| Body Material | - | Aluminium alloy frame |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | BOSS Classic | Amazfit GTR 4 |
|---|
| Sensors | Pedometer | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Activity, 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 |
| Watch Movement | Quartz | - |
| Modes | - | 154 sports modes |
| Goal Setting | Yes | Yes |
| Features | Text messages preview | 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 | - | 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 |
| CONNECTIVITY | BOSS Classic | Amazfit GTR 4 |
|---|
| Wireless Interface | Bluetooth | Wi-Fi, Bluetooth 5.0 BLE |
|---|
| DISPLAY | BOSS Classic | Amazfit GTR 4 |
|---|
| Type | OLED - monochrome | AMOLED - colour |
|---|---|---|
| Resolution | - | 466 x 466 pixels |
| Screen Size | - | 1.43" |
| Pixel Density | - | 326 ppi |
| Screen Protection | - | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | BOSS Classic | Amazfit GTR 4 |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | BOSS Classic | Amazfit GTR 4 |
|---|
| Case Size | 44 mm | - |
|---|---|---|
| Case Shape | - | Circular |
| Case Back | - | Polycarbonate |
| Case Details | Stainless steel | Rose gold | Aluminium alloy |
| Dial Colour | Black | - |
| BAND | BOSS Classic | Amazfit GTR 4 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 21 mm | 22 mm |
| Fits Wrist with Circumference | 131-203 mm | 150-215 mm |
| Changeable | - | Yes |
| Clasp Type | - | Pin buckle |
| Band Material | Leather | Fluoroelastomer |
| Band Colour | Black | Brown | Superspeed black | Vintage brown leather |
| STORAGE | BOSS Classic | Amazfit GTR 4 |
|---|
| User Memory | - | 2.3 GB |
|---|
| BATTERY | BOSS Classic | Amazfit GTR 4 |
|---|
| Capacity | - | 475 mAh |
|---|---|---|
| Battery Life | 5 day(s) | - |
| 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 | BOSS Classic | Amazfit GTR 4 |
|---|
| Included Accessories | Charging/data clip | Magnetic charging cable |
|---|---|---|
| Preloaded Software | - | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Max Depth of Water Resistance | 30 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Warranty | 2-year warranty | 1-year warranty |
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