Amazfit GTR 3 vs Samsung Galaxy Watch 4 Classic (42mm) comparison
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| key specs |
| Strap Colour | Black | - |
| Display Size | 35mm | 42mm |
| Compatible OS | Android, iOS | Android |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| general |
| Brand | Amazfit | Samsung |
| Model | GTR 3 | Galaxy Watch 4 Classic (42mm) |
| Release date | October 11, 2021 | August 11, 2021 |
| Dial Shape | Round | Round |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | Yes | IP68 |
| Water Resistance Depth | 5 ATM | 5 ATM |
| Dial Material | Aluminium | Stainless Steel |
| Ideal For | Unisex | Unisex |
| Strap Colour | Black | - |
| Dial Colour | Black | - |
| Model Name | - | Galaxy Watch 4 Classic |
| dimensions |
| Width | 45.8 | 41.5 |
| Height | 45.8 | 41.5 |
| Thickness | 10.8 | 11.2 |
| Weight (g) | 42.00 | 46.50 |
| product details |
| Sensor | Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor |
| Compatible Device | Android, iPhone | Android |
| Notification | Yes | Yes |
| Battery Type | Li-ion | - |
| Battery Life | 21 days | - |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | 5.1 | 5.0 |
| GPS | Yes | Yes |
| Messaging Support | Yes | - |
| Third Party App Support | Yes | - |
| Wi-Fi | - | Yes |
| platform and storage features |
| Operating System | ZeppOS | One UI Watch 3 |
| Compatible Operating System | Android, iOS | Android |
| RAM | - | 1.5GB |
| Processor Name | - | Exynos W920 |
| Internal Memory | - | 16GB |
| camera and display features |
| Display Resolution | 454x454 | 396x396 |
| Display Size | 35mm | 42mm |
| Display Type | AMOLED | AMOLED |
| Backlight Display | Yes | - |
| Scratch Resistant | - | Gorilla Glass DX |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Number of Buttons | 2 | 2 |
| Other Fitness Features | 150 sports mode | - |
| Other Watch Functions | - | Heart rate, blood oxygen, SpO2 Sensor |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | - |
| Voice Control | Yes | - |
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