Xiaomi Amazfit T-Rex Pro vs Samsung Galaxy A12 (SM-A125M)
Side by side comparison between Xiaomi Amazfit T-Rex Pro vs Samsung Galaxy A12 devices, 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
6.5"
PLS
PLS
720x1600
48
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better device? Samsung Galaxy A12 (SM-A125M)
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!
12 Advantages 
22 Advantages | 9 Common items in both devices |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| LiPo: li-ion polymer (Non removable) |
| +2 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 | Galaxy A12 (SM-A125M) | |
| Change model | ||
| Model | Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) |
| Other model names | Mi Amazfit TRex Pro | Galaxy A12 SM-A125M Single-Sim (64GB + 4GB RAM) |
| Country or region available |  (Global, International) |    (Latin America), Argentina, Mexico |
| Brand | Xiaomi | Samsung |
| Release date | 3/23/2021, Announced: 3/5/2021 | 12/21/2020, Announced: 11/24/2020 |
| Depth | 13.5 millimeters (0.53 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) | 75.8 x 164 millimeters (2.98 x 6.46 in) |
| Weight | 59 grams (2.07 ounces) | 205 grams (7.18 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | 10 ATM: 100 meters waterproof | Not supported |
📲 Display | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| Display type | AMOLED | TFT PLS |
| Screen size | 1.3" inches | 6.5" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~82.1% (screen-to-body ratio) |
| Display resolution | 360x360 pixels | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| System version | Proprietary OS | Android 10 |
| Firmware update | feature not registered | Android 11 |
| User Interface | RTOS | One UI 3.1 |
⚙️ Processor | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| Chipset | 32bit | 64bit: MediaTek Helio P35 (MT6765) (12nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | feature not registered | PowerVR GE8320 MP2 (680MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 108503 (v8) Geekbench: 1022 (v5.4) GFXBench: 5fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| RAM memory | 512MB LPDDR3 | 4GB LPDDR4X |
| Internal storage | 4GB (2GB available) eMCP | 64GB (48GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | 1 slot (Single-SIM) nano-SIM (4FF) |
| 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 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| 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 Pro | Galaxy A12 (SM-A125M) | |
| Back camera (main camera) | Not supported | (quad camera) 48 megapixels 5MP ultrawide f/2.2123° 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | Not supported | 8000x6000 pixels |
| Video recording (primary) | Not supported | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Not supported | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| 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 | Galaxy A12 (SM-A125M) | |
| Loudspeaker | feature not registered | Mono sound (not stereo) |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | feature not registered | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | feature not registered | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| USB | Not supported | USB 2.0 Type-C reversible connector |
| Audio output | Not supported | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Heart rate Pedometer SpO2 | Accelerometer Face unlock Fingerprint sensor (side-mounted) Virtual ambient light sensor Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 390 mAh | 5000 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | Magnetic charging (dock) | Not supported |
| Talk time autonomy | 432 hours (18 days) | feature not registered |
| Standby | 432 hours (18 days) | feature not registered |
➕ Other features | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| Call control | Not supported | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Not supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | feature not registered | Polyphonic and customized |
| Web browser | Not supported | HTML, XHTML, HTML5 |
| 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, White, Blue, Red |
☢️ Radiation rate | ||
| Amazfit T-Rex Pro | Galaxy A12 (SM-A125M) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.1W/kg (head), 1.15W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |