Amazfit T-Rex 3 vs Amazfit GTR 3 comparison
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| key specs |
| Display Size | 48mm | 35mm |
| Strap Material | Silicone | - |
| Dial Shape | Round | Round |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black |
| Compatible OS | - | Android, iOS |
| Display Type | - | AMOLED |
| general |
| Brand | Amazfit | Amazfit |
| Model | T-Rex 3 | GTR 3 |
| Release date | September 18, 2024 | October 11, 2021 |
| Dial Shape | Round | Round |
| Strap Material | Silicone | - |
| Size | Regular | Regular |
| Touchscreen | 1.5 | Yes |
| Water Resistant | 10 ATM | Yes |
| Usage | Regular | - |
| Ideal For | Unisex | Unisex |
| Interchangeable Strap | - | Yes |
| Water Resistance Depth | - | 5 ATM |
| Dial Material | - | Aluminium |
| Strap Colour | - | Black |
| Dial Colour | - | Black |
| dimensions |
| Width | 48.5 | 45.8 |
| Height | 48.5 | 45.8 |
| Diameter | 13.75 | - |
| Weight (g) | 68.30 | 42.00 |
| Thickness | - | 10.8 |
| product details |
| Sensor | heart rate, SpO2, steps, sleep tracker, EDA | Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor |
| Compatible Device | - | Android, iPhone |
| Notification | - | Yes |
| Battery Type | - | Li-ion |
| Battery Life | - | 21 days |
| connectivity features |
| Bluetooth | Yes | Bluetooth |
| GPS | Yes | Yes |
| Bluetooth Version | - | 5.1 |
| Messaging Support | - | Yes |
| Third Party App Support | - | Yes |
| camera and display features |
| Display Resolution | 480 x 480 | 454x454 |
| Display Size | 48mm | 35mm |
| Display Type | - | AMOLED |
| Backlight Display | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Number of Buttons | 4 | 2 |
| Calorie Count | - | Yes |
| Altimeter | - | Yes |
| Compass | - | Yes |
| Alarm Clock | - | Yes |
| Chronograph | - | Yes |
| Other Fitness Features | - | 150 sports mode |
| platform and storage features |
| Operating System | - | ZeppOS |
| Compatible Operating System | - | Android, iOS |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |
| Voice Control | - | Yes |
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