Xiaomi Amazfit T-Rex vs Apple Watch (38mm)
Side by side comparison between Xiaomi Amazfit T-Rex vs Apple 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
1.34"
AMOLED
AMOLED
272x340
N/A
512MB
RAM
RAM
Single-core
205
mAh
mAh
(Non removable)
What's the better smartwatch? Xiaomi Amazfit T-Rex
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!
10 Advantages 
9 Advantages | 13 Common items in both devices |
| AMOLED |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Heart rate |
| +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 | Apple Watch (38mm) | |
| Change model | ||
| Model | Amazfit T-Rex | Watch (38mm) |
| Other model names | Mi Amazfit TRex | Apple Watch 1st gen (2015) A1553 Stainless Steel |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Apple |
| Release date | 1/9/2020, Announced: 1/1/2020 | 4/24/2015 |
| Depth | 13.5 millimeters (0.53 inches) | 10.5 millimeters (0.41 inches) |
| Size (width x height) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) | 33.3 x 38.6 millimeters (1.31 x 1.52 in) |
| Weight | 58 grams (2.03 ounces) | 87 grams (3.05 ounces) |
| Build, materials | Plastic body, glass front | Stainless steel body, glass front, ceramic back |
| Protection against water and others | 5 ATM: 50 meters waterproof | IPX7 certified: water resistant up to 1 meter and 30min |
📲 Display | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| Display type | AMOLED | AMOLED |
| Screen size | 1.3" inches | 1.34" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~44% (screen-to-body ratio) |
| Display resolution | 360x360 pixels | 272x340 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 325 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Sapphire Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| System version | Proprietary OS | WatchOS 1.0 |
| Firmware update | feature not registered | WatchOS 4.0 |
| User Interface | RTOS | feature not registered |
⚙️ Processor | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| Chipset | 32bit | 32bit: Apple S1 (28nm) |
| CPU | Single-core, 1 processor: Single-core | Single-core, 1 processor: 1x 520MHz ARM Cortex-A7 (Single-core) |
| GPU graphical controller | feature not registered | PowerVR SGX543 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| RAM memory | 512MB LPDDR3 | 512MB LPDDR |
| Internal storage | 4GB (2GB available) eMCP | 8GB (6GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| 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 | Apple Watch (38mm) | |
| 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 | feature not registered |
| 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 | Apple Watch (38mm) | |
| 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 | Apple Watch (38mm) | |
| Loudspeaker | feature not registered | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | feature not registered | MP4, H.264, H.263 |
| Audio formats | feature not registered | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | Not supported |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| Sensors | Accelerometer Ambient light sensor Compass Heart rate Pedometer SpO2 | Accelerometer Ambient light sensor Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 390 mAh | 205 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Magnetic charging (dock) | Magnetic charging (dock) |
| Talk time autonomy | 20 hours | 3 hours |
| Standby | 480 hours (20 days) | 18 hours |
➕ Other features | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| Call control | Not supported | Not supported |
| Messaging | SMS (T9), E-mail | SMS, E-mail |
| Hands-free calling | Not supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | feature not registered | feature not registered |
| Web browser | Not supported | Not supported |
| Antenna | feature not registered | Not supported |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • 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 | • Watch colors: Silver, Space gray • Watch bands: White, Black, Blue, Pink, Brown, Gray, Steel • Band material: Leather, Stainless steel, Fluoroelastomer plastic • iOS 8.2 or higher compatible • Digital Crown • MagSafe charging |
☢️ Radiation rate | ||
| Amazfit T-Rex | Apple Watch (38mm) | |
| 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 |