📱 Model features |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Model | 12X (256GB/8GB) | Galaxy A9s (SM-A9200) |
| Other model names | Xiaomi 12X 2112123AG (Global), 2112123AC (China) | Galaxy A9s SM-A9200, Galaxy A9 2018 SM-A9200, Samsung A920 |
| Country or region available | 
(Global, International) | 
China |
| Brand | Xiaomi | Samsung |
| Release date | 12/31/2021, Announced: 12/28/2021 | 10/11/2018 |
| Depth | 8.2 millimeters (0.32 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 69.9 x 152.7 millimeters (2.75 x 6.01 in) | 77 x 162.5 millimeters (3.03 x 6.4 in) |
| Weight | 176 grams (6.16 ounces) | 183 grams (6.41 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
🤖 Operating System |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| System version | Android 11 | Android 8.0 Oreo |
| Firmware update | Android 12 | feature not registered |
| User Interface | MIUI 13 | feature not registered |
⚙️ Processor |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Chipset | 64bit - Qualcomm Snapdragon 870 (SM8250-AC) (7nm) | 64bit - Qualcomm Snapdragon 660 SDM660 (14nm) |
| CPU | Octa-Core, 3 processors:
3.2GHz Single-Core Kryo 585
2.42GHz Triple-Core Kryo 585
1.8GHz Quad-Core Kryo 585 | Octa-Core, 2 processors:
2.2GHz Quad-Core Kryo 260 Gold
1.8GHz Quad-Core Kryo 260 Silver |
| GPU graphical controller | Qualcomm Adreno 650 (670MHz) | Qualcomm Adreno 512 650Mhz |
| 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/8GB) | Samsung Galaxy A9s (SM-A9200) |
| RAM memory | 8GB LPDDR5 | 6GB LPDDR4X |
| Internal storage | 256GB (222GB available)
UFS 3.1 | 128GB (110GB available)
eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC
(dedicated slot) |
📲 Display |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.28" inches | 6.3" inches |
| Screen-to-body ratio | ~89.2% (screen-to-body ratio) | ~80.5% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2220 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 419 PPI | 392 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 5 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1100nits[peak]
Dolby Vision/HDR10+
DCI-P3
Touch rate: 480Hz | Not supported |
📶 Mobile networks |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card
(dedicated slot) |
| SIM card | 2 slots (Dual-SIM)
nano-SIM (4FF) | 2 slots (Dual-SIM)
nano-SIM (4FF) |
| Maximum download/upload | 2000/1024 Mbps | 450/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO
UMTS 800/850/900/1700/1900/2100 | CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
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 Cat9 (1, 3, 5, 8)
TD-LTE (38, 39, 40, 41) |
| 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, 5G SA/NSA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| 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, 5G SA/NSA | GPRS, EDGE |
📷 Camera |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Back camera (main camera) | (triple camera)
50 megapixels
13MP ultrawidef/2.412mm123°1/3.06"1.12µm
5MP telephoto macrof/2.450mmAF | (quad camera)
24 megapixels
10MP telephotof/2.452mm1/3.9"1.0µmAF2x-optical-zoom
8MP ultrawidef/2.412mm1/4.0"1.12µm
5MP depthf/2.2 |
| Main camera resolution | 8160x6120 pixels | 5656x4240 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm lens | 27mm lens |
| Sensor size | 1/1.56" inches | 1/2.8" inches |
| Pixel size | 1µm pixel | 0.9µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Digital and optical 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 on both cameras |
| Camera extras | 4K@60fps
1080p@960fps
Sony IMX766 | feature not registered |
📸 Front camera |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Front camera (secondary) | 32 megapixels | 24 megapixels |
| Front camera resolution | 6528x4896 pixels | 5656x4240 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | 27mm lens |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | 0.7µm pixel | 0.9µm pixel |
🔉 Sound and multimedia |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Loudspeaker | Stereo sound with dual speakers
24-bit/192kHz
Dolby Atmos
Tuned by Harman Kardon | Supported |
| 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.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Sensors | Accelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor | Accelerometer
Ambient Light sensor
ANT+
Compass
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Battery type | LiPo: Li-Ion polymer (Non removable) | Li-Ion: Lithium-Ion (Non removable) |
| Battery capacity | 4500 mAh | 3800 mAh |
| Charger, watts | 67W Fast battery charging
Quick Charge 4
USB Power Delivery 3.0 | 18W Fast battery charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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: Caviar Black, Lemonade Blue, Bubblegum Pink
- Samsung Pay
- Dolby Atmos |
☢️ Radiation rate |
| Xiaomi 12X (256GB/8GB) | Samsung Galaxy A9s (SM-A9200) |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.59W/kg (head), 1W/kg (body) | feature not registered |