Xiaomi Amazfit T-Rex vs Apple Watch 3 Nike+ (42mm 4G)
Side by side comparison between Xiaomi Amazfit T-Rex vs Apple Watch 3 Nike+ 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
1.65"
AMOLED
AMOLED
390x312
N/A
768MB
RAM
RAM
Dual-core
352
mAh
mAh
(Non removable)
What's the better smartwatch? Apple Watch 3 Nike+ (42mm 4G)
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!
6 Advantages 
13 Advantages | 14 Common items in both devices |
| AMOLED |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Heart rate |
| +7 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 3 Nike+ (42mm 4G) | |
| Change model | ||
| Model | Amazfit T-Rex | Watch 3 Nike+ (42mm 4G) |
| Other model names | Mi Amazfit TRex | Apple Watch Series 3 Nike+ GPS + Cellular (4G LTE) 16GB |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Apple |
| Release date | 1/9/2020, Announced: 1/1/2020 | 9/22/2017 |
| Depth | 13.5 millimeters (0.53 inches) | 11.4 millimeters (0.45 inches) |
| Size (width x height) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) | 36.4 x 42.5 millimeters (1.43 x 1.67 in) |
| Weight | 58 grams (2.03 ounces) | 35 grams (1.23 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, ceramic back |
| Protection against water and others | 5 ATM: 50 meters waterproof | 5 ATM: 50 meters waterproof |
📲 Display | ||
| Amazfit T-Rex | Apple Watch 3 Nike+ (42mm 4G) | |
| Display type | AMOLED | AMOLED |
| Screen size | 1.3" inches | 1.65" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~55.4% (screen-to-body ratio) |
| Display resolution | 360x360 pixels | 390x312 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 303 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Scratch-resistant glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Amazfit T-Rex | Apple Watch 3 Nike+ (42mm 4G) | |
| System version | Proprietary OS | WatchOS 4.0 |
| Firmware update | feature not registered | WatchOS 5.0 |
| User Interface | RTOS | feature not registered |
⚙️ Processor | ||
| Amazfit T-Rex | Apple Watch 3 Nike+ (42mm 4G) | |
| Chipset | 32bit | 32bit: Apple S3 (28nm) |
| CPU | Single-core, 1 processor: Single-core | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | feature not registered | PowerVR G6200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Amazfit T-Rex | Apple Watch 3 Nike+ (42mm 4G) | |
| RAM memory | 512MB LPDDR3 | 768MB LPDDR4 |
| Internal storage | 4GB (2GB available) eMCP | 16GB (10GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Amazfit T-Rex | Apple Watch 3 Nike+ (42mm 4G) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | feature not registered | 150/50 Mbps |
| Network technology | feature not registered | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | Not supported | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | A1891 model (Europe,Australia): UMTS 800/850/900/2100 A1861 model (USA,LATAM,Canada): UMTS 800/850/1700/1900 A1892 model (China): UMTS 2100 |
| Primary 4G network | Not supported | LTE Cat4 A1891 model (Europe,Australia): LTE (Bands 1,3,5,7,8,18,19,20,26) A1861 model (USA,LATAM,Canada): LTE (Bands 2,4,5,12,13,17,18,19,25,26) TD-LTE (Bands 41) A1892 model (China): LTE (Bands 1,3) TD-LTE (Bands 39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| 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 3 Nike+ (42mm 4G) | |
| 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 | Apple Watch 3 Nike+ (42mm 4G) | |
| 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 3 Nike+ (42mm 4G) | |
| 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 3 Nike+ (42mm 4G) | |
| 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 | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Amazfit T-Rex | Apple Watch 3 Nike+ (42mm 4G) | |
| Sensors | Accelerometer Ambient light sensor Compass Heart rate Pedometer SpO2 | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazfit T-Rex | Apple Watch 3 Nike+ (42mm 4G) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 390 mAh | 352 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Magnetic charging (dock) | Magnetic charging (dock) |
| Talk time autonomy | 20 hours | 18 hours |
| Standby | 480 hours (20 days) | feature not registered |
➕ Other features | ||
| Amazfit T-Rex | Apple Watch 3 Nike+ (42mm 4G) | |
| 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 | Polyphonic and customized |
| Web browser | Not supported | Not supported |
| Antenna | feature not registered | Internal antenna |
| 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 | • Colors: Silver, Space Gray • Sport Band or Nike Sport Band • 1000 nits screen • 3D Touch display • Siri |
☢️ Radiation rate | ||
| Amazfit T-Rex | Apple Watch 3 Nike+ (42mm 4G) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.52W/kg (head), 0.34W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |