| key specs |
| Compatible OS | iOS, Android | - |
| Strap Material | Silicone | Leather |
| Dial Shape | Round | Round |
| Display Type | AMOLED | Super AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black |
| Display Size | - | 30mm |
| general |
| Brand | Amazfit | Samsung |
| Model | T-Rex Pro | Gear S2 Classic Smartwatch |
| Release date | March 23, 2021 | - |
| Model Name | Amazfit T-Rex Pro | Gear S2 Classic |
| Dial Shape | Round | Round |
| Strap Material | Silicone | Leather |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | 10 ATM | Yes |
| Dial Material | Polycarbonate | Stainless Steel |
| Ideal For | Unisex | Unisex |
| Dial Colour | Desert Grey, Meteorite Black, Steel Blue | Black |
| Usage | - | Notifier |
| Strap Colour | - | Black |
| dimensions |
| Width | 47.7 | 43.6 |
| Height | 47.7 | 39.9 |
| Thickness | 13.5 | 11.4 mm |
| Weight (g) | 59.40 | 42.00 |
| product details |
| Sensor | Three-axis acceleration sensor, Heart Rate Sensor, BioTracker 2 PPG , ambient light sensor, Geomagnetic, three-axis gyroscope, barometric altimeter | Accelerometer, Gyro, Heart Rate, Barometer |
| Compatible Device | Android, iOS | Gear S2 Pairs With Samsung Smartphones Running On Android 4.3 Or Above, And At Least 1.5 Gb Of Ram/ Gear S2 Pairs With Non-Samsung Smartphones Running On Android 4.4 Or Above, And At Least 1.5 Gb Of Ram |
| Notification | Yes | - |
| Battery Life | 18 days | - |
| Charge Time | 1.5 hours | - |
| Charger Type | Magnetic 2-pins Pogo Pin | - |
| Rechargeable Battery | Yes | Yes |
| Other Features | - | Messages, Ultra Power Saving Mode, S Health, Running, Settings, Schedule, Weather, Alarm, Music Player, Gallery, Buddy, Email, Find My Phone, Voice Memo, Stopwatch, Timer |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | v4.1 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | - |
| Call Function | - | Yes |
| Messaging Support | - | Yes |
| platform and storage features |
| Operating System | RTOS | Tizen |
| Compatible Operating System | iOS, Android | - |
| RAM | - | 512 MB |
| Processor Name | - | Exynos 3250 |
| Internal Memory | - | 4 GB |
| camera and display features |
| Display Resolution | 320x360 | 360 x 360 pixels |
| Display Type | AMOLED | Super AMOLED |
| Scratch Resistant | Tempered Glass + anti-fingerprint coating | - |
| Display Size | - | 30mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | 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 | - |
| Other Fitness Features | 100+ sports modes | S Health - 24 Hrs Activity Tracker: Heart Rate Monitor, Exercise Tracker, Caffiene / Water Intake Tracker |
| Other Watch Functions | Heart rate monitoring, sleep quality monitoring | - |
| audio and video features |
| Speaker | Yes | - |