Amazfit GTR 4 New vs Amazfit T-Rex Pro comparison
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| key specs |
| Strap Colour | Black Fluororubber, Brown Leather | - |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Unisex |
| Compatible OS | - | iOS, Android |
| Strap Material | - | Silicone |
| general |
| Brand | Amazfit | Amazfit |
| Model | GTR 4 New | T-Rex Pro |
| Release date | September 4, 2024 | March 23, 2021 |
| Model Name | GTR 4 New | Amazfit T-Rex Pro |
| Dial Shape | Round | Round |
| Strap Colour | Black Fluororubber, Brown Leather | - |
| Size | Regular | Regular |
| Touchscreen | 1.45 | Yes |
| Water Resistant | 5 ATM | 10 ATM |
| Usage | Regular | - |
| Dial Material | Stainless Steel | Polycarbonate |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Silicone |
| Dial Colour | - | Desert Grey, Meteorite Black, Steel Blue |
| dimensions |
| Width | 46.5 | 47.7 |
| Height | 46.5 | 47.7 |
| Thickness | 11.2 | 13.5 |
| Weight (g) | 49.00 | 59.40 |
| product details |
| Sensor | heart rate, SpO2, steps, sleep tracker | Three-axis acceleration sensor, Heart Rate Sensor, BioTracker 2 PPG , ambient light sensor, Geomagnetic, three-axis gyroscope, barometric altimeter |
| Compatible Device | Android 7.0 and above, iOS 12.0 and above | Android, iOS |
| Battery Type | 475 | - |
| Battery Life | 12 days | 18 days |
| Rechargeable Battery | Yes | Yes |
| Notification | - | Yes |
| Charge Time | - | 1.5 hours |
| Charger Type | - | Magnetic 2-pins Pogo Pin |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 5.0 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| platform and storage features |
| Operating System | ZeppOS 2.0 | RTOS |
| Compatible Operating System | - | iOS, Android |
| camera and display features |
| Display Resolution | 466 x 466 | 320x360 |
| Display Type | AMOLED | AMOLED |
| Scratch Resistant | - | Tempered Glass + anti-fingerprint coating |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Number of Buttons | 2 | 4 |
| Other Fitness Features | Menstrual health tracker | 100+ sports modes |
| Calorie Count | - | Yes |
| Calendar | - | Yes |
| Alarm Clock | - | Yes |
| Other Watch Functions | - | Heart rate monitoring, sleep quality monitoring |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | - |
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