Xiaomi 12X (256GB/12GB) vs Samsung Galaxy A3 (SM-A300FU)
Side by side comparison between Xiaomi 12X vs Samsung Galaxy A3 phones, differences, pros, cons and full specifications. What's the better?
,
6.28"
AMOLED
AMOLED
1080x2400
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
4.5"
AMOLED
AMOLED
540x960
8
MP
MP
5mp
1.5GB
RAM
RAM
Quad-core
1900
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 12X (256GB/12GB)
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!
31 Advantages 
7 Advantages | 15 Common items in both devices |
| Aluminum body, glass front, plastic back / Aluminum body, glass front |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +8 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 | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Model | 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) |
| Other model names | Xiaomi 12X 2112123AG (Global), 2112123AC (China) | Galaxy A3 (4G LTE) SM-A300FU (Single-sim) |
| Country or region available |  China |  (Europe) |
| Brand | Xiaomi | Samsung |
| Release date | 12/31/2021, Announced: 12/28/2021 | 11/1/2014 |
| Depth | 8.2 millimeters (0.32 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 69.9 x 152.7 millimeters (2.75 x 6.01 in) | 65.5 x 130.1 millimeters (2.58 x 5.12 in) |
| Weight | 176 grams (6.16 ounces) | 110 grams (3.85 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.28" inches | 4.5" inches |
| Screen-to-body ratio | ~89.2% (screen-to-body ratio) | ~65.5% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 540x960 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 419 PPI | 245 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 4 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1100nits[peak] Dolby Vision/HDR10+ DCI-P3 Touch rate: 480Hz | Not supported |
🤖 Operating System | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| System version | Android 11 | Android 4.4.4 KitKat |
| Firmware update | Android 12 | Android 6.0.1 Marshmallow |
| User Interface | MIUI 13 | TouchWiz UX |
⚙️ Processor | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Chipset | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) | 64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm) |
| CPU | Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 650 (670MHz) | Qualcomm Adreno 306 (400MHz) |
| Performance (benchmark) | AnTuTu: 598003 (v8), 690298 (v9) Geekbench: 3168 (v5.1) GFXBench: 47fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| RAM memory | 12GB LPDDR5 | 1.5GB LPDDR2 |
| Internal storage | 256GB (222GB available) UFS 3.1 | 16GB (12GB available) eMMC 4.5 |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) | LTE Cat4 (1, 3, 5, 7, 8, 20) |
| Primary 5G network | Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) China version: SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41, 42, 48) China version: LTE (1, 2, 3, 4, 5, 7, 8, 18, 19, 26) TD-LTE (34, 38, 39, 40, 41, 42) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Back camera (main camera) | (triple camera) 50 megapixels 13MP ultrawide f/2.412mm123°1/3.06"1.12µm 5MP telephoto macro f/2.450mmAF | 8 megapixels |
| Main camera resolution | 8160x6120 pixels | 3264x2448 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/2.4 (aperture) |
| Focal length | 26mm lens | 31mm lens |
| Sensor size | 1/1.56" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo only main camera |
| Camera extras | 4K@60fps 1080p@960fps Sony IMX766 | feature not registered |
📸 Front camera | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Front camera (secondary) | 32 megapixels | 5 megapixels |
| Front camera resolution | 6528x4896 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | WVGA (800x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | 23mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos Tuned by Harman Kardon | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4500 mAh | 1900 mAh |
| Charger, watts | 67W Wired fast charging Quick Charge 4 USB Power Delivery 3.0 | 3.5W (5V/0.7A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 12 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Gray, Blue, Purple • LiquidCool | • Colors: Black, Gray, Pink, Blue, White, Gold • Java framework |
☢️ Radiation rate | ||
| Xiaomi 12X (256GB/12GB) | Galaxy A3 (SM-A300FU) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.462W/kg (head), 1.153W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.59W/kg (head), 1W/kg (body) | 0.39W/kg (head), 0.554W/kg (body) |