Side by side comparison and review of Amazfit GTR 2 and Amazfit GTR 4. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | Zepp OS |
| Supported Host Device OS | iOS 10 or later, Android 5.0 (Lollipop) or later | iOS 12 or later, Android 7.0 (Nougat) or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | - | Speaker |
| Body Details | Case only: 39 g | With band: 34 g |
| Body Material | Stainless steel | Aluminium alloy frame |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, SpO2 sensor, 3-axis magnetometer, BioTracker 2 PPG biological tracking optical sensor | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, gyroscope, BioTracker PPG 4.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, REM phases | 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 | Yes |
| Features | Making a call, store & play music, huami-PAI Health Assessment System | 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, Email, social apps, incoming calls | SMS, incoming calls, applications, high and low heart rate, low blood-oxygen, high stress level |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS receiver | - |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Alexa | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| Wireless Interface | Wi-Fi, Bluetooth 5.0 | Wi-Fi, Bluetooth 5.0 BLE |
|---|
| DISPLAY | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| Type | AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 454 x 454 pixels | 466 x 466 pixels |
| Screen Size | 1.39" | 1.43" |
| Pixel Density | 326 ppi | 326 ppi |
| Screen Protection | Tempered glass | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| Case Shape | Round | Circular |
|---|---|---|
| Case Back | - | Polycarbonate |
| Case Details | - | Aluminium alloy |
| BAND | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| Band Type | Strap | Strap |
|---|---|---|
| Band Width | 22 mm | 22 mm |
| Fits Wrist with Circumference | - | 150-215 mm |
| Changeable | Yes | Yes |
| Clasp Type | Pin buckle | Pin buckle |
| Band Material | Leather | Fluoroelastomer |
| Band Colour | Obsidian black | Superspeed black | Vintage brown leather |
| STORAGE | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| User Memory | 3 GB | 2.3 GB |
|---|
| BATTERY | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| Capacity | 471 mAh | 475 mAh |
|---|---|---|
| Battery Life Details | Typical usage - up to 14 days Basic mode - up to 38 days GPS mode - up to 48 hour(s) Talk time - up to 10 hour(s) |
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 | Yes |
| Recharge Time | 2.5 hour(s) | 2 hour(s) |
| MISCELLANEOUS | Amazfit GTR 2 | Amazfit GTR 4 |
|---|
| Included Accessories | Magnetic charging dock | Magnetic charging cable |
|---|---|---|
| Preloaded Software | Amazon Alexa | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Warranty | - | 1-year warranty |
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