| key specs |
| Compatible OS | iOS, Android | Android 4.3 |
| Strap Material | Silicone | Silicone |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | Super AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black |
| Display Size | - | 46mm |
| general |
| Brand | Amazfit | Samsung |
| Model | T-Rex Pro | Gear Fit Smartwatch |
| Release date | March 23, 2021 | - |
| Model Name | Amazfit T-Rex Pro | Gear Fit |
| Dial Shape | Round | Rectangle |
| Strap Material | Silicone | Silicone |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | 10 ATM | Yes |
| Dial Material | Polycarbonate | - |
| Ideal For | Unisex | Unisex |
| Dial Colour | Desert Grey, Meteorite Black, Steel Blue | Multicolor |
| Model Number | - | SM-R3500ZKAXAR/SM-R3500ZKAINU |
| Usage | - | Notifier |
| Strap Colour | - | Black |
| dimensions |
| Width | 47.7 | 57.4 |
| Height | 47.7 | 23.4 |
| Thickness | 13.5 | 11.94 mm |
| Weight (g) | 59.40 | 27.00 |
| product details |
| Sensor | Three-axis acceleration sensor, Heart Rate Sensor, BioTracker 2 PPG , ambient light sensor, Geomagnetic, three-axis gyroscope, barometric altimeter | Heart Rate Sensor (Ppg), Accelerometer, Gyro Sensor |
| Compatible Device | Android, iOS | Samsung Galaxy Smartphones And Tablets (Android V4.3 Jelly Bean Or Higher, Wvga Or Higher Screen Resolution, 1.0 Gb Or Higher Memory) |
| Notification | Yes | - |
| Battery Life | 18 days | - |
| Charge Time | 1.5 hours | - |
| Charger Type | Magnetic 2-pins Pogo Pin | - |
| Rechargeable Battery | Yes | - |
| Battery Type | - | Lithium Ion |
| Other Features | - | Battery Capacity: 210 Mah, Bluetooth Profiles: Spp, Gatt, Dust-Proof And Water Resistance: Ip67, S Health, Form Factor: Wearable |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | v4.0 |
| Wi-Fi | Yes | - |
| GPS | Yes | - |
| Call Function | - | Yes |
| Email Support | - | Yes |
| Call Features | - | Make, Receive and Reject Calls |
| platform and storage features |
| Operating System | RTOS | - |
| Compatible Operating System | iOS, Android | Android 4.3 |
| Processor Speed | - | 160 MHz |
| camera and display features |
| Display Resolution | 320x360 | 128 x 432 pixels |
| Display Type | AMOLED | Super AMOLED |
| Scratch Resistant | Tempered Glass + anti-fingerprint coating | - |
| Display Size | - | 46mm |
| Other Display Features | - | Dismiss Calls And Alarms With A Simple Tap |
| fitness and watch functions |
| Step Count | Yes | - |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | - |
| Language | English | - |
| Number of Buttons | 4 | - |
| Other Fitness Features | 100+ sports modes | - |
| Other Watch Functions | Heart rate monitoring, sleep quality monitoring | Pedometer, Exercise, Sleep, Heart Rate, Notifications, Media Controller, Timer, Stopwatch, Find My Device |
| audio and video features |
| Speaker | Yes | - |