In depth comparison and review of Xiaomi MI 9 SE and Xiaomi 12. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
DESIGN AND DIMENSIONS | Xiaomi MI 9 SE | Xiaomi 12 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 147.5 mm | 152.7 mm | Xiaomi 12 has greater height than Xiaomi MI 9 SE. |
Width | 70.5 mm | 69.9 mm | Xiaomi MI 9 SE has greater width than Xiaomi 12. |
Depth | 7.45 mm | 8.16 mm | Xiaomi MI 9 SE is narrower than Xiaomi MI 9 SE. |
Weight | 155 g | 180 g | Xiaomi MI 9 SE is lighter than Xiaomi MI 9 SE. |
Body Colour | Ocean blue | Piano black | Grey | |
Body Material | Glass | - | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.385 W/kg (body), 1.385 W/kg (head) | 0.596 W/kg (head), 0.998 W/kg (body), 1.972 W/kg (limb) | |
Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
SIM Card Type (Size) | Nano SIM | - | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Xiaomi MI 9 SE | Xiaomi 12 |
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Display Type | OLED display | OLED display | |
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Display Technology | AMOLED | AMOLED | |
Screen Size (Display Size) | 5.97" | 6.28" | Xiaomi 12 has larger screen size than Xiaomi MI 9 SE. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | Xiaomi 12 has better screen resolution than Xiaomi MI 9 SE. |
Display Format | Full HD+ | Full HD+ | |
Pixel Density | 432 ppi | 419 ppi | Xiaomi MI 9 SE has better pixel density than Xiaomi 12. |
Aspect Ratio | - | 20:9 | |
Max Brightness | 600 cd/m² | 1100 cd/m² | Xiaomi 12 has better display brightness than Xiaomi MI 9 SE. |
Colour Depth | - | 68 billion colours | |
Contrast Ratio | 60000:1 | 5000000:1 | Xiaomi 12 has better display contrast ratio than Xiaomi MI 9 SE. |
HDR | Yes | Yes | Both phones have HDR. |
HDR Technology | HDR10 | HDR10+ | |
Display Enhancement Technology | Sunshine mode 2.0 | Dolby Vision, Sunlight mode, AdaptiveSync technology | |
Display Refresh Rate | - | 120 Hz | |
Touch Sampling Rate | - | 480 Hz | |
Display Features | Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode | Reading mode, DCI-P3 Wide colour gamut, Dot Display, True Colour, DisplayMate A+, 16000 levels auto brightness adjustment | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating | Corning Gorilla Glass Victus (scratch resistant glass) |
PROCESSOR | Xiaomi MI 9 SE | Xiaomi 12 |
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Processor Type (CPU) | Qualcomm Snapdragon 712 | Qualcomm Snapdragon 8 Gen 1 | |
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Clock Speed | 2.3 GHz | 3 GHz | Xiaomi 12 has higher clock speed than Xiaomi MI 9 SE. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | Xiaomi MI 9 SE has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 616 | Qualcomm ADRENO |
MEMORY | Xiaomi MI 9 SE | Xiaomi 12 |
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RAM | LPDDR4X SDRAM - 6 GB | LPDDR5 SDRAM - 8 GB | Xiaomi 12 has more RAM than Xiaomi MI 9 SE. |
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Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | Xiaomi 12 has more internal memory than Xiaomi MI 9 SE. |
Memory Interface | - | UFS 3.1 |
CAMERA | Xiaomi MI 9 SE | Xiaomi 12 |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 3 | |
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Sensor Resolution | 48 Megapixel | 50 Megapixel | Xiaomi 12 has better camera resolution than Xiaomi MI 9 SE. |
Sensor Size | - | 1/1.56" | |
Sensor Name | Sony Exmor RS IMX586 sensor | Sony IMX766 sensor | |
Lens Type | Wide-angle lens | Wide-angle lens | |
Lens Aperture | F/1.75 | F/1.88 | Xiaomi MI 9 SE has better lens aperture than Xiaomi MI 9 SE. |
Lens Construction | - | 6-element | |
Pixel Size | - | 1 μm | |
Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Xiaomi 12 has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | - | |
Optical Zoom | 2x | - | |
Digital Zoom | 10x | - | |
Special Effects | HDR | Moving crowd, Neon trails, Oil painting, Light painting, Starry sky, Star trails | |
Camera Modes | Burst mode, Panorama, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode | Night mode, Documents, Vlog mode, Pro Video mode, Movie frame, Night portrait mode, photo filters, Timed burst, Photo clones, Dual video mode, Ultra Night Video, Pro Time-lapse, 50MP mode | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 SE has face detection. |
Light Source | Dual flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 7680 x 4320 (8K) at 24 fps | |
Camera Features (Functions) | Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking, Quick motion | HDR10+ recording, Google Lens, One-click AI cinema, HDR video recording, 2.1μm 4-in-1 Super Pixel, Xiaomi ProFocus |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 13 Megapixel | 13 Megapixel | Both phones have the same second camera resolution. |
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Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
Field of View (2nd Camera) | 123 degree(s) | 123 degree(s) | Both phones have the same second camera lens field of view. |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 8 Megapixel | 5 Megapixel | Xiaomi MI 9 SE has higher resolution third camera than Xiaomi 12. |
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Lens Type (3rd Camera) | Telephoto lens | Tele-macro lens | |
Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
Pixel Size (3rd Camera) | 1 μm | - | |
Focal Length Equivalent to 35mm Camera | - | 50mm | |
Camera Features (3rd Camera) | - | AF (3cm-7cm) |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 20 Megapixel | 32 Megapixel | Xiaomi 12 has better front camera resolution than Xiaomi MI 9 SE. |
Lens Aperture (Front) | - | F/2.45 | |
Special Effects (Front) | HDR, Magic mirror | HDR | |
Camera Modes (Front) | AI portrait mode, AI Beautify, AI makeup | Panoramic selfies, AI Beautify, Timed burst, Selfie Night mode, Capture Dual, Time-lapse selfie, AI portrait mode with bokeh and depth control, AI portrait video | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 SE has face detection. |
Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
Camera Features (Front) | Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare | 4-in-1 to 1.4μm Super Pixel, Video HDR |
BATTERY AND CHARGING | Xiaomi MI 9 SE | Xiaomi 12 |
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Battery Capacity (Battery Size) | 3070 mAh | 4500 mAh | Xiaomi 12 has larger battery capacity than Xiaomi MI 9 SE. |
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Fast Charging Technology | Qualcomm Quick Charge 4.0+ | - | Xiaomi MI 9 SE has fast charging technology. |
Recharge Time (Charging Time) | - | 39 min | |
Wireless Charging | - | Yes | Xiaomi 12 can be charged wirelessly. |
CELLULAR | Xiaomi MI 9 SE | Xiaomi 12 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 5G | Xiaomi 12 has more advanced generation mobile network. |
Operating System | - | Android 12 | |
User Interface | MIUI 10 | MIUI 13 | |
Intelligent Assistant | Google Assistant | - | |
Payment Technology | Google Pay | Google Pay | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, NavIC |
COMMUNICATIONS | Xiaomi MI 9 SE | Xiaomi 12 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 48, Band 66 | |
4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3600, FDD 1700 - 2110 AWS-3 | |
5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n79, n40 | |
5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | Xiaomi MI 9 SE | Xiaomi 12 |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, eAAC+, APE (Monkey's Audio), apt-X, LDAC, AMR-WB, AMR-NB, M4V, apt-X HD | - | |
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Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9, H.265, MP4 | - | |
Sound Enhancements | Qualcomm TrueWireless Stereo Plus | Harman Kardon Sound technology, Dolby Atmos sound technology |
FEATURES | Xiaomi MI 9 SE | Xiaomi 12 |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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Sensors | Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, flicker sensor, gyroscope, 360° ambient light sensor | |
Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
Security Technology | - | AI face unlock | |
Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | MIMO technology, linear motor, VC Liquid Cooling, Reverse wireless charging, dual stereo speakers, X-axis linear vibration motor, IR blaster, Qualcomm 7th generation AI Engine, Xiaomi AdaptiveCharge |
OTHERS | Xiaomi MI 9 SE | Xiaomi 12 |
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Included Accessories | Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable | SIM card removal tool, USB-C cable, protective case, 67W charger | |
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Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | SGS Low Blue Light Certification |