| key specs |
| Strap Colour | Black | Black, Brown |
| Display Size | 35mm | 46mm |
| Compatible OS | Android, iOS | Android, iOS |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | - |
| general |
| Brand | Amazfit | Vivo |
| Model | GTR 3 | Watch (46mm) |
| Release date | October 11, 2021 | September 22, 2020 |
| Dial Shape | Round | Round |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | Yes |
| Water Resistant | Yes | 5 ATM |
| Water Resistance Depth | 5 ATM | - |
| Dial Material | Aluminium | Stainless Steel |
| Ideal For | Unisex | - |
| Strap Colour | Black | Black, Brown |
| Dial Colour | Black | Black, Silver |
| Model Name | - | Watch |
| dimensions |
| Width | 45.8 | 46 |
| Height | 45.8 | 46 |
| Thickness | 10.8 | 10.6 |
| Weight (g) | 42.00 | 46.80 |
| product details |
| Sensor | Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor | 5-core Optical heart rate monitor, Blood Oxygen sensor, Accelerometer, Gyroscope, Air pressure sensor, Altitude sensor, Ambient Light sensor, Geomagnetic sensor |
| Compatible Device | Android, iPhone | Android, iOS |
| Notification | Yes | Yes |
| Battery Type | Li-ion | - |
| Battery Life | 21 days | 18 days |
| Charger Type | - | Magnetic |
| 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 |
| Other Connectivity Features | - | Glonass, Galileo, Beidou |
| platform and storage features |
| Operating System | ZeppOS | - |
| Compatible Operating System | Android, iOS | Android, iOS |
| RAM | - | 2GB |
| Processor Name | - | ST miniature main control chip + Apollo ultra-low power coprocessor |
| camera and display features |
| Display Resolution | 454x454 | 454x454 |
| Display Size | 35mm | 46mm |
| 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 | Intelligent exercise recognition, outdoor running, indoor running, outdoor walking, swimming, cycling, indoor cycling, mountain climbing, trail running, elliptical machine, free training, high-intensity interval training |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| Voice Control | Yes | - |