In depth comparison and review of Samsung Galaxy Watch4 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 | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Wear OS by Samsung | Zepp OS |
| Supported Host Device OS | Android 6.0 (Marshmallow) 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 |
| Width | 39.3 mm | - |
| Height | 40.4 mm | - |
| Depth | 9.7 mm | - |
| Weight | 25.9 g | - |
| Body Details | - | With band: 34 g |
| Body Material | Aluminium | Aluminium alloy frame |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart 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, blood oxygen saturation, body composition, ECG, 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 | Find phone function, VO2 max, automatic exercise recognition, personalised coaching | 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 | Calendar, SMS, 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 |
| Digital Player | MP3, WAV, AAC, AMR, M4A, OGG, 3GA, AWB, OGA | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | - |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Technology | WCDMA (UMTS) | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| CONNECTIVITY | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Wireless Interface | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.0 | Wi-Fi, Bluetooth 5.0 BLE |
|---|---|---|
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| DISPLAY | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Type | Super AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 396 x 396 pixels | 466 x 466 pixels |
| Screen Size | 1.19" | 1.43" |
| Aspect Ratio | Full circle | - |
| Pixel Density | 330 ppi | 326 ppi |
| Colour Depth | 24-bit (16.7 million colours) | - |
| Screen Protection | Corning Gorilla Glass DX+ (scratch resistant glass) | Fingerprint-resistant coating, tempered glass, anti-glare bezel |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen, push buttons |
|---|
| CASE | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | Round | Circular |
| Case Back | - | Polycarbonate |
| Case Details | Pink gold | Black | Silver | Aluminium alloy |
| BAND | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Band Type | Sport band | Strap |
|---|---|---|
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | - | 150-215 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin buckle |
| Band Material | - | Fluoroelastomer |
| Band Colour | Pink | Black | White | Superspeed black | Vintage brown leather |
| STORAGE | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Storage Capacity | 16 GB | - |
|---|---|---|
| User Memory | 7.6 GB | 2.3 GB |
| RAM | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| RAM Size | 1.5 GB | - |
|---|
| CPU | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos W920 | - |
| Clock Speed | 1.18 GHz | - |
| BATTERY | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Capacity | 247 mAh | 475 mAh |
|---|---|---|
| Battery Life | 40 hours | - |
| 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 | Yes |
| Recharge Time | - | 2 hour(s) |
| Wireless Charging | Yes | - |
| Wireless Charging Standards | WPC, Wireless PowerShare | - |
| MISCELLANEOUS | Samsung Galaxy Watch4 | Amazfit GTR 4 |
|---|
| Included Accessories | Wireless charging dock | Magnetic charging cable |
|---|---|---|
| Preloaded Software | - | To Do List, Games, Stopwatch, Calendar, World clock, Alarm Clock, Reminders, Timer, Compass, Countdown timer |
| Compliant Standards | MIL-STD 810G, IP68 | - |
| SAR Value | 0.729 W/kg (head), 2.594 W/kg (limb) | - |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | 0 °C |
| Manufacturer Model Number | SM-R865F | - |
| Warranty | 2-year warranty | 1-year warranty |
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