| key specs |
| Strap Colour | Black | - |
| Display Size | 36mm | 41mm |
| Compatible OS | Android, iOS | Android, iOS |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Rubber |
| general |
| Brand | Amazfit | Oppo |
| Model | GTR 3 Pro | Watch (41mm) |
| Release date | October 11, 2021 | March 6, 2020 |
| Dial Shape | Round | Rectangle |
| Size | Regular | - |
| Touchscreen | Yes | - |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 5 ATM | 3ATM |
| Dial Material | Aluminium | - |
| Ideal For | Unisex | Unisex |
| Strap Colour | Black | - |
| Dial Colour | Black | Black, Pink Gold, Silver Mist |
| Strap Material | - | Rubber |
| dimensions |
| Width | 46 | 41.45 |
| Height | 46 | 36.37 |
| Thickness | 10.7 | 11.4 |
| Weight (g) | 42.00 | 30.10 |
| product details |
| Sensor | Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor | Tri-axial acceleration sensor, Gyroscope, Geomagnetic sensor, Barometer, Optical heartbeat sensor, Capacitance sensor, Ambient light sensor |
| Compatible Device | Android, iPhone | - |
| Notification | Yes | Yes |
| Battery Type | Li-ion | - |
| Battery Life | 12 days | 24 hours |
| Stand By Time | - | 14 days |
| connectivity features |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | 5.0 | 4.2 |
| GPS | Yes | Yes |
| Messaging Support | Yes | Yes |
| Third Party App Support | Yes | Yes |
| Call Function | - | Yes |
| Wi-Fi | - | Yes |
| Call Features | - | Yes |
| platform and storage features |
| Operating System | ZeppOS | Wear OS |
| Compatible Operating System | Android, iOS | Android, iOS |
| Number of Cores | - | quad-core |
| RAM | - | 1GB |
| Processor Name | - | Qualcomm Snapdragon Wear 3100, Ambiq Micro Apollo3 Wireless |
| Internal Memory | - | 8000 |
| camera and display features |
| Display Resolution | 480x480 | 320x360 |
| Display Size | 36mm | 41mm |
| Display Type | AMOLED | AMOLED |
| Backlight Display | Yes | - |
| 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 | - |
| Number of Buttons | 2 | 2 |
| Other Fitness Features | 150 sports mode | Fitness Run, 5-Min Workouts, Fat Burn Run, Outdoor Walk, Outdoor Cycling, Swimming, Heart rate monitoring, Sleep monitoring, Get Up Reminder, Guided breathing exercises |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| Voice Control | Yes | - |