In depth comparison and review of Amazfit GTR 2 and Samsung Galaxy Watch4. 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 | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | Wear OS by Samsung |
| Supported Host Device OS | iOS 10 or later, Android 5.0 (Lollipop) or later | Android 6.0 (Marshmallow) or later |
| 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: 39 g | - |
| Body Material | Stainless steel | Aluminium |
| Protection | Water-resistant | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, SpO2 sensor, 3-axis magnetometer, BioTracker 2 PPG biological tracking optical sensor | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, REM phases | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, body composition, ECG, REM phases |
| Goal Setting | Yes | Yes |
| Features | Making a call, store & play music, huami-PAI Health Assessment System | Find phone function, VO2 max, automatic exercise recognition, personalised coaching |
| Notifications | SMS, Email, social apps, incoming calls | Calendar, SMS, social apps, incoming calls |
| 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 receiver | GPS/GLONASS/Galileo/BeiDou receiver |
| Internet of Things (IoT) Compatible | Yes | - |
| IoT Intelligent Assistant | Alexa | - |
| CELLULAR | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Wireless Interface | Wi-Fi, Bluetooth 5.0 | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) |
| DISPLAY | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Type | AMOLED - colour | Super AMOLED - colour |
|---|---|---|
| Resolution | 454 x 454 pixels | 396 x 396 pixels |
| Screen Size | 1.39" | 1.19" |
| Aspect Ratio | - | Full circle |
| Pixel Density | 326 ppi | 330 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Screen Protection | Tempered glass | Corning Gorilla Glass DX+ (scratch resistant glass) |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Case Size | - | 40 mm |
|---|---|---|
| Case Shape | Round | Round |
| Case Details | - | Pink gold | Black | Silver |
| BAND | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Band Type | Strap | Sport band |
|---|---|---|
| Band Width | 22 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Pin buckle | Buckle |
| Band Material | Leather | - |
| Band Colour | Obsidian black | Pink | Black | White |
| STORAGE | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Storage Capacity | - | 16 GB |
|---|---|---|
| User Memory | 3 GB | 7.6 GB |
| RAM | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| RAM Size | - | 1.5 GB |
|---|
| CPU | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Manufacturer | - | Samsung |
|---|---|---|
| CPU Type | - | Exynos W920 |
| Clock Speed | - | 1.18 GHz |
| BATTERY | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Capacity | 471 mAh | 247 mAh |
|---|---|---|
| Battery Life | - | 40 hours |
| 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) |
- |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2.5 hour(s) | - |
| Wireless Charging | - | Yes |
| Wireless Charging Standards | - | WPC, Wireless PowerShare |
| MISCELLANEOUS | Amazfit GTR 2 | Samsung Galaxy Watch4 |
|---|
| Included Accessories | Magnetic charging dock | Wireless charging dock |
|---|---|---|
| Preloaded Software | Amazon Alexa | - |
| 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 |
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