| key specs |
| Compatible OS | iOS, Android | Android & iOS |
| Strap Material | Silicone | Elastomer |
| Dial Shape | Round | Round |
| Display Type | AMOLED | Super AMOLED |
| Ideal For | Unisex | Men |
| Strap Colour | - | Black |
| Display Size | - | 46mm |
| general |
| Brand | Amazfit | Samsung |
| Model | T-Rex Pro | Galaxy Smartwatch |
| Release date | March 23, 2021 | - |
| Model Name | Amazfit T-Rex Pro | Galaxy Watch 42 mm |
| Dial Shape | Round | Round |
| Strap Material | Silicone | Elastomer |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | 10 ATM | Yes |
| Dial Material | Polycarbonate | - |
| Ideal For | Unisex | Men |
| Dial Colour | Desert Grey, Meteorite Black, Steel Blue | Black |
| Model Number | - | SM-R810NZKAINU |
| Water Resistance Depth | - | 50 m |
| Usage | - | Fitness & Outdoor |
| Strap Colour | - | Black |
| dimensions |
| Width | 47.7 | - |
| Height | 47.7 | - |
| Thickness | 13.5 | - |
| Weight (g) | 59.40 | 49.00 |
| product details |
| Sensor | Three-axis acceleration sensor, Heart Rate Sensor, BioTracker 2 PPG , ambient light sensor, Geomagnetic, three-axis gyroscope, barometric altimeter | 3-Axis Accelerometer, Gyroscope, Barometer, Heart Rate Sensor, Ambient Light Sensor |
| Compatible Device | Android, iOS | Iphone, Android Smartphones |
| Notification | Yes | Yes |
| Battery Life | 18 days | Upto 3 Days (Based on Usage) |
| Charge Time | 1.5 hours | - |
| Charger Type | Magnetic 2-pins Pogo Pin | WPC Based Wireless Charging |
| Rechargeable Battery | Yes | Yes |
| Closure | - | Strap Buckle |
| Notification Type | - | Vibration |
| Battery Type | - | Lithium Polymer |
| Other Features | - | 20 Mm Interchangeable Strap, 270 Mah Battery, Us Military Standard (Mil-Std-810G) Compliant, Circular Design And Vintage Textured Body, Check Physical Location And Map Routes With Built-In Gps (Supports A-Gps / Glonass) |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | v4.2 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Call Function | - | No |
| Other Connectivity Features | - | Wi-Fi (802.11B/G/N) |
| platform and storage features |
| Operating System | RTOS | - |
| Compatible Operating System | iOS, Android | Android & iOS |
| Processor Name | - | Exynos 9110 Dual Core Processor |
| Processor Speed | - | 1.15 GHz |
| 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 | Yes |
| Display Size | - | 46mm |
| Backlight Display | - | Yes |
| Other Display Features | - | Always-On Color Display With Scratch Resistant Gorilla Glass Dx+ |
| 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 | English |
| Number of Buttons | 4 | 2 |
| Other Fitness Features | 100+ sports modes | Tracks: Distance, Pace, Steps, Sleep Quality, Calories Burned, Heart Rate |
| Other Watch Functions | Heart rate monitoring, sleep quality monitoring | Customizable Watch Faces, Calendar Alerts, Receive Notifications For Calls, Messages, Emails, And Other Apps (Facebook, Twitter, And Whatsapp) |
| audio and video features |
| Speaker | Yes | - |