Xiaomi Amazfit T-Rex Pro vs Ulefone Watch
Side by side comparison between Xiaomi Amazfit T-Rex Pro vs Ulefone Watch smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.3"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Single-core
390
mAh
mAh
(Non removable)
vs
1.3"
TFT
TFT
240x240
N/A
768MB
RAM
RAM
Dual-core
210
mAh
mAh
(Non removable)
What's the better smartwatch? Xiaomi Amazfit T-Rex Pro
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
15 Advantages 
4 Advantages | 13 Common items in both devices |
| Plastic body, glass front |
| 60Hz |
| 1.3" |
| Proprietary OS |
| Capacitive |
| Multitouch |
| Accelerometer |
| +6 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| Change model | ||
| Model | Amazfit T-Rex Pro | Ulefone Watch |
| Other model names | Mi Amazfit TRex Pro | Ulefone Watch SW005, 2AOWKSW005 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Ulefone |
| Release date | 3/23/2021, Announced: 3/5/2021 | 10/27/2020 |
| Depth | 13.5 millimeters (0.53 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) | 37 x 42 millimeters (1.46 x 1.65 in) |
| Weight | 59 grams (2.07 ounces) | 19 grams (.67 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | 10 ATM: 100 meters waterproof | 5 ATM: 50 meters waterproof |
📲 Display | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| Display type | AMOLED | TFT LCD |
| Screen size | 1.3" inches | 1.3" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~35.1% (screen-to-body ratio) |
| Display resolution | 360x360 pixels | 240x240 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 261 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| System version | Proprietary OS | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | RTOS | feature not registered |
⚙️ Processor | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| Chipset | 32bit | 32bit: Apollo 3 Blue Plus |
| CPU | Single-core, 1 processor: Single-core | Dual-core, 1 processor: 2x 96MHz ARM Cortex-M4 (Dual-core) |
| GPU graphical controller | feature not registered | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| RAM memory | 512MB LPDDR3 | 768MB SDRAM |
| Internal storage | 4GB (2GB available) eMCP | 2MB Flash (EEPROM) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| 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 details Collapse 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 | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| 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 | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| 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 | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| 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 | feature not registered | MP3, eAAC+ |
🔌 Connectivity | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | Not supported | Not supported |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Heart rate Pedometer SpO2 | Accelerometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 390 mAh | 210 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Magnetic charging (dock) | Magnetic charging (dock) |
| Talk time autonomy | 432 hours (18 days) | 168.5 hours (7 days) |
| Standby | 432 hours (18 days) | 1200 hours (50 days) |
➕ Other features | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| Call control | Not supported | feature not registered |
| Messaging | SMS (T9), E-mail | SMS, 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 | feature not registered | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Gray, Blue • Watch band: 22mm • BioTracker PPG • 100 sports mode • AppZepp app • Compatible with Android 5.0/iOS 10 and above | • Colors: Black, Coral Pink, Turquoise • Wristbands: 22mm • 2.5D glass screen • 9 sports modes • VeryFit Pro App • Supports Android 4.4 or iOS 8 and above |
☢️ Radiation rate | ||
| Amazfit T-Rex Pro | Ulefone Watch | |
| 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 |