| key specs |
| Compatible OS | iOS, Android | Android, iOS |
| Strap Material | Silicone | Leather |
| Dial Shape | Round | Round |
| Display Type | AMOLED | Super AMOLED |
| Ideal For | Unisex | - |
| Display Size | - | 41mm |
| general |
| Brand | Amazfit | Samsung |
| Model | T-Rex Pro | Galaxy Watch 3 (41mm) |
| Release date | March 23, 2021 | August 5, 2020 |
| Model Name | Amazfit T-Rex Pro | Galaxy Watch 3 (41mm) |
| Dial Shape | Round | Round |
| Strap Material | Silicone | Leather |
| Size | Regular | - |
| Touchscreen | Yes | Yes |
| Water Resistant | 10 ATM | Yes |
| Dial Material | Polycarbonate | Stainless Steel |
| Ideal For | Unisex | - |
| Dial Colour | Desert Grey, Meteorite Black, Steel Blue | Mystic Black, Mystic Bronze, Mystic Silver |
| dimensions |
| Width | 47.7 | 41 |
| Height | 47.7 | 42.5 |
| Thickness | 13.5 | 11.3 |
| Weight (g) | 59.40 | 48.20 |
| product details |
| Sensor | Three-axis acceleration sensor, Heart Rate Sensor, BioTracker 2 PPG , ambient light sensor, Geomagnetic, three-axis gyroscope, barometric altimeter | Accelerometer, Barometer, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical Heart Sensor |
| Compatible Device | Android, iOS | Android 5.0 or later and with more than 1.5GB of RAM, iPhone 5 or later models with iOS 9.0 or later |
| Notification | Yes | Yes |
| Battery Life | 18 days | - |
| Charge Time | 1.5 hours | - |
| Charger Type | Magnetic 2-pins Pogo Pin | Wireless |
| Rechargeable Battery | Yes | Yes |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 5.0 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | - | Wi-Fi b/g/n, NFC, Glonass, Beidou, Galileo |
| platform and storage features |
| Operating System | RTOS | Tizen based Wearable OS 5.5 |
| Compatible Operating System | iOS, Android | Android, iOS |
| Number of Cores | - | dual-core |
| RAM | - | 1MB |
| Processor Name | - | Exynos 9110 |
| Internal Memory | - | 8GB |
| camera and display features |
| Display Resolution | 320x360 | 360 x 360 |
| Display Type | AMOLED | Super AMOLED |
| Scratch Resistant | Tempered Glass + anti-fingerprint coating | Corning Gorilla Glass DX |
| Display Size | - | 41mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Number of Buttons | 4 | 2 |
| Other Fitness Features | 100+ sports modes | - |
| Other Watch Functions | Heart rate monitoring, sleep quality monitoring | - |
| audio and video features |
| Speaker | Yes | Yes |
| Gesture Control | - | Yes |
| Microphone | - | Yes |