📱 Model features |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Model | Watch Pro | Amazfit T-Rex |
| Other model names | Ulefone Watch Pro SW007, 2AOWKSW007 | Mi Amazfit TRex |
| Country or region available | 
(Global, International) |
(Global, International) |
| Brand | Ulefone | Xiaomi |
| Release date | 10/27/2020 | 1/9/2020, Announced: 1/1/2020 |
| Depth | 12.15 millimeters (0.48 inches) | 13.5 millimeters (0.53 inches) |
| Size (width x height) | 36.1 x 48.68 millimeters (1.42 x 1.92 in) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) |
| Weight | 22 grams (.77 ounces) | 58 grams (2.03 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | 5 ATM: 50 meters waterproof | 5 ATM: 50 meters waterproof |
🤖 Operating System |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| System version | Proprietary OS | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | RTOS |
⚙️ Processor |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Chipset | 32bit: Apollo 3 Blue Plus | 32bit |
| CPU | Dual-core, 1 processor:
2x 96MHz ARM Cortex-M4 (Dual-core) | Single-core, 1 processor:
Single-core |
| GPU graphical controller | feature not registered | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| RAM memory | 768MB SDRAM | 512MB LPDDR3 |
| Internal storage | 2MB
Flash (EEPROM) | 4GB (2GB available)
eMCP |
| External storage | Not supported | Not supported |
📲 Display |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Display type | TFT LCD | AMOLED |
| Screen size | 1.55" inches | 1.3" inches |
| Screen-to-body ratio | ~43.8% (screen-to-body ratio) | ~24.2% (screen-to-body ratio) |
| Display resolution | 320x360 pixels | 360x360 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 311 PPI | 392 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
📶 Mobile networks |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | Not supported |
| Maximum Download / Upload | feature not registered | feature not registered |
| Network technology | feature not registered | feature not registered |
| Frequency, bands | Expand band detailsCollapse details |
| GSM MHz band | Not supported | Not supported |
| Primary 2G network | Not supported | Not supported |
| Primary 3G network | Not supported | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | Not supported |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Back camera (main camera) | Not supported | Not supported |
| Main camera resolution | Not supported | Not supported |
| Video recording (primary) | Not supported | Not supported |
| Flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Not supported |
| Touch focus | Not supported | Not supported |
| Image stabilization | Not supported | Not supported |
| Zoom | Not supported | Not supported |
| Face/smile detection | Not supported | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Loudspeaker | feature not registered | feature not registered |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | feature not registered | feature not registered |
| Audio formats | MP3, eAAC+ | feature not registered |
🔌 Connectivity |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | Not supported | Not supported |
| DLNA | Not supported | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Sensors | Accelerometer
Gyroscope
Heart rate
Pedometer
SpO2 | Accelerometer
Ambient Light sensor
Compass
Heart rate
Pedometer
SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Battery type | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 210 mAh | 390 mAh |
| Charger, watts | Wired charging
Magnetic charging (dock) | Wired charging
Magnetic charging (dock) |
| Talk time autonomy | 120 hours (5 days) | 20 hours |
| Standby | 960 hours (40 days) | 480 hours (20 days) |
➕ Other features |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| Call control | feature not registered | Not supported |
| Messaging | SMS, E-mail | SMS (T9), E-mail |
| Hands-free calling | Not supported | Not supported |
| Video calling | Not supported | Not supported |
| Ringtones | feature not registered | feature not registered |
| Web browser | Not supported | Not supported |
| Antenna | Internal antenna | feature not registered |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | - Colors: Black, Gray, Pink
- Wristbands: 22mm
- 3.5D glass screen
- Watch Faces
- 14 sports modes
- VeryFit Pro App
- Supports Android 4.4 or iOS 8 and above | - Colors: Black, Gray, Camouflage, Army green, Khaki
- Watch band: 22mm
- BioTracker PPG
- 14 sports mode
- AppZepp app
- Compatible with Android 5.0/iOS 10 and above |
☢️ Radiation rate |
| Ulefone Watch Pro | Xiaomi Amazfit T-Rex |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |