In depth comparison and review of Samsung Galaxy Watch4 and Amazfit GTR 3. 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 3 |
|---|
| 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 |
| Width | 39.3 mm | - |
| Height | 40.4 mm | - |
| Depth | 9.7 mm | - |
| Weight | 25.9 g | - |
| Body Details | - | Case only: 32 g |
| Body Material | Aluminium | Aluminium alloy |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Sensors | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor | Accelerometer, ambient light sensor, gyro sensor, geomagnetic sensor, barometric altimeter, temperature, BioTracker PPG 3.0 biometric sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, body composition, ECG, REM phases | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level |
| Goal Setting | Yes | Yes |
| Features | Find phone function, VO2 max, automatic exercise recognition, personalised coaching | Camera remote control, find phone function, automatic exercise recognition, weather information, PAI Health Assessment System |
| Notifications | Calendar, SMS, social apps, incoming calls | Calendar |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Digital Player | MP3, WAV, AAC, AMR, M4A, OGG, 3GA, AWB, OGA | - |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Technology | WCDMA (UMTS) | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| CONNECTIVITY | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Wireless Interface | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.0 | Bluetooth 5.1 |
|---|---|---|
| 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 3 |
|---|
| Type | Super AMOLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 396 x 396 pixels | 454 x 454 pixels |
| Screen Size | 1.19" | 1.39" |
| Aspect Ratio | Full circle | 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) | Tempered glass |
| Always On Display (AOD) | Yes | - |
| INPUT DEVICE | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Type | Touch sensitive screen, push buttons | Touch sensitive screen, push button |
|---|
| CASE | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Case Size | 40 mm | - |
|---|---|---|
| Case Shape | Round | Round |
| Case Details | Pink gold | Black | Silver | - |
| Crown Type | - | Classic crown |
| BAND | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Band Type | Sport band | Strap |
|---|---|---|
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | - | 155-218 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | - | Silicone |
| Band Colour | Pink | Black | White | Moonlight grey | Thunder black |
| STORAGE | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Storage Capacity | 16 GB | - |
|---|---|---|
| User Memory | 7.6 GB | - |
| RAM | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| RAM Size | 1.5 GB | - |
|---|
| CPU | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Manufacturer | Samsung | - |
|---|---|---|
| CPU Type | Exynos W920 | - |
| Clock Speed | 1.18 GHz | - |
| BATTERY | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Capacity | 247 mAh | 450 mAh |
|---|---|---|
| Battery Life | 40 hours | - |
| Battery Life Details | - | Battery safe mode - up to 35 days Heavy usage - up to 10 days Typical usage - up to 21 days GPS mode - up to 35 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | - | 2 hour(s) |
| Wireless Charging | Yes | - |
| Wireless Charging Standards | WPC, Wireless PowerShare | - |
| MISCELLANEOUS | Samsung Galaxy Watch4 | Amazfit GTR 3 |
|---|
| Included Accessories | Wireless charging dock | Magnetic charging stand |
|---|---|---|
| Preloaded Software | - | Zepp App |
| 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 |
| Manufacturer Model Number | SM-R865F | - |
| Warranty | 2-year warranty | 1-year warranty |
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