Otium Gear vs Xiaomi Amazfit T-Rex Pro
Side by side comparison between Otium Gear vs Xiaomi Amazfit T-Rex Pro smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.5"
TFT
TFT
240x240
1.3
MP
MP
128MB
RAM
RAM
Single-core
380
mAh
mAh
(Removable)
vs
1.3"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Single-core
390
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!
13 Advantages 
17 Advantages | 6 Common items in both devices |
| Proprietary OS |
| Capacitive |
| Accelerometer |
| Pedometer |
| Vibrating alert |
| Not supported |
| + 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 | ||
| Otium Gear | Amazfit T-Rex Pro | |
| Change model | ||
| Model | Otium Gear | Amazfit T-Rex Pro |
| Other model names | Otium Gear smartwatch, Otium Gear US-008 | Mi Amazfit TRex Pro |
| Country or region available |  China |  (Global, International) |
| Brand | Otium | Xiaomi |
| Release date | 11/1/2014 | 3/23/2021, Announced: 3/5/2021 |
| Depth | 11.7 millimeters (0.46 inches) | 13.5 millimeters (0.53 inches) |
| Size (width x height) | 39.88 x 43.43 millimeters (1.57 x 1.71 in) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) |
| Weight | 50 grams (1.75 ounces) | 59 grams (2.07 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | Not supported | 10 ATM: 100 meters waterproof |
📲 Display | ||
| Otium Gear | Amazfit T-Rex Pro | |
| Display type | TFT LCD | AMOLED |
| Screen size | 1.5" inches | 1.3" inches |
| Screen-to-body ratio | ~41.9% (screen-to-body ratio) | ~24.2% (screen-to-body ratio) |
| Display resolution | 240x240 pixels | 360x360 pixels |
| Touchscreen | Capacitive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 226 PPI | 392 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Otium Gear | Amazfit T-Rex Pro | |
| System version | Proprietary OS | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | RTOS |
⚙️ Processor | ||
| Otium Gear | Amazfit T-Rex Pro | |
| Chipset | 32bit: MediaTek MT6260A | 32bit |
| CPU | Single-core, 1 processor: 1x 533MHz ARM7EJ-S (Single-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 | ||
| Otium Gear | Amazfit T-Rex Pro | |
| RAM memory | 128MB | 512MB LPDDR3 |
| Internal storage | 64MB | 4GB (2GB available) eMCP |
| External storage | Until 8GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Otium Gear | Amazfit T-Rex Pro | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | Not supported |
| Maximum Download / Upload | 0.236 Mbps | feature not registered |
| Network technology | 2G | feature not registered |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | 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 | GPRS, EDGE | 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 | ||
| Otium Gear | Amazfit T-Rex Pro | |
| Back camera (main camera) | 1.3 megapixels | Not supported |
| Main camera resolution | 1280x1024 pixels | Not supported |
| Video recording (primary) | HVGA (480x320) 10 fps | 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 | Only digital zoom | 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 | ||
| Otium Gear | Amazfit T-Rex Pro | |
| 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 | ||
| Otium Gear | Amazfit T-Rex Pro | |
| Loudspeaker | Supported | feature not registered |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | feature not registered |
| Audio formats | MP3, WAV, eAAC+ | feature not registered |
🔌 Connectivity | ||
| Otium Gear | Amazfit T-Rex Pro | |
| USB | Mini-USB 1.1 (Mini-B) | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | Not supported | Not supported |
| DLNA | Not supported | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Otium Gear | Amazfit T-Rex Pro | |
| Sensors | Accelerometer Pedometer | Accelerometer Ambient light sensor Barometer Compass Heart rate Pedometer SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Otium Gear | Amazfit T-Rex Pro | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 380 mAh | 390 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Magnetic charging (dock) |
| Talk time autonomy | 70 hours (2.9 days) | 432 hours (18 days) |
| Standby | 80 hours (3.3 days) | 432 hours (18 days) |
➕ Other features | ||
| Otium Gear | Amazfit T-Rex Pro | |
| Call control | Voice dialing, Voice recorder | Not supported |
| Messaging | SMS, E-mail | SMS (T9), E-mail |
| Hands-free calling | Supported | Not supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic | feature not registered |
| Web browser | Not supported | Not supported |
| Antenna | Internal antenna | feature not registered |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Watch colors: Silver • Watch strap colors: Black, White, Orange • Screen Protector • Android compatibility | • Colors: Black, Gray, Blue • Watch band: 22mm • BioTracker PPG • 100 sports mode • AppZepp app • Compatible with Android 5.0/iOS 10 and above |
☢️ Radiation rate | ||
| Otium Gear | Amazfit T-Rex Pro | |
| 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 |