Xiaomi MI 9 vs. Samsung Galaxy A12

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9 and Samsung Galaxy A12. 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.

Phone Specifications Comparison

Xiaomi MI 9 vs. Samsung Galaxy A12 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9 Samsung Galaxy A12
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A127F/DSN
Form Factor Touch Touch
Height 157.5 mm 164 mm Samsung Galaxy A12 has greater height than Xiaomi MI 9.
Width 74.67 mm 75.8 mm Samsung Galaxy A12 has greater width than Xiaomi MI 9.
Depth 7.61 mm 8.9 mm Xiaomi MI 9 is narrower than Xiaomi MI 9.
Weight 173 g 205 g Xiaomi MI 9 is lighter than Xiaomi MI 9.
Body Colour Ocean blue | Piano black Black | Blue
Body Material Curved glass -
Waterproof (Water-resistant) - -
Repairability Index - 8.3 (out of 10)
SAR Value 1.301 W/kg (body), 1.389 W/kg (head) 0.419 W/kg (head), 1.513 W/kg (body)
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 9 Samsung Galaxy A12
Display Type OLED display LCD display
Display Technology AMOLED PLS TFT
Screen Size (Display Size) 6.39" 6.5" Samsung Galaxy A12 has larger screen size than Xiaomi MI 9.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels Xiaomi MI 9 has better screen resolution than Samsung Galaxy A12.
Display Format Full HD+ HD+
Pixel Density 403 ppi -
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
Contrast Ratio 60000:1 -
HDR Yes - Xiaomi MI 9 has HDR.
HDR Technology HDR10 -
Display Enhancement Technology Sunshine mode 2.0 -
Display Features Always-on display, Reading mode, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG) Infinity V Display
Display Protection (Screen Protector) Fingerprint-resistant coating, Corning Gorilla Glass 6 (scratch resistant glass), oil protective coating -
PROCESSOR Xiaomi MI 9 Samsung Galaxy A12
Processor Type (CPU) Qualcomm Snapdragon 855 -
Clock Speed 2.84 GHz 2 GHz Xiaomi MI 9 has higher clock speed than Samsung Galaxy A12.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi MI 9 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 -
MEMORY Xiaomi MI 9 Samsung Galaxy A12
RAM LPDDR4X SDRAM - 6 GB 3 GB Xiaomi MI 9 has more RAM than Samsung Galaxy A12.
Internal Memory Size (Storage Capacity) 64 GB 32 GB Xiaomi MI 9 has more internal memory than Samsung Galaxy A12.
User Memory - 19.5 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Xiaomi MI 9 Samsung Galaxy A12
MAIN CAMERA
Number of Main Cameras 3 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Type Ultra wide-angle lens -
Lens Aperture F/1.75 F/2.0 Xiaomi MI 9 has better lens aperture than Xiaomi MI 9.
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Optical Zoom 2x -
Digital Zoom 10x 10x Both phones have the same digital zoom.
Special Effects HDR -
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 -
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 has face detection.
Light Source Dual flash LED flash
Still Image Resolutions 8000 x 6000 -
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, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 960 fps 1920 x 1080 (1080p) at 30 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 -
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 5 Megapixel Xiaomi MI 9 has better second camera resolution than Samsung Galaxy A12.
Lens Type (2nd Camera) Telephoto lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) - 123 degree(s)
Pixel Size (2nd Camera) 1 μm -
Camera Features (2nd Camera) Macro photography -
THIRD CAMERA
Sensor Resolution (3rd Camera) 16 Megapixel 2 Megapixel Xiaomi MI 9 has higher resolution third camera than Samsung Galaxy A12.
Lens Type (3rd Camera) Ultra wide-angle lens -
Lens Aperture (3rd Camera) F/2.2 F/2.4 Xiaomi MI 9 has better third camera lens aperture than Xiaomi MI 9.
Pixel Size (3rd Camera) 1 μm -
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Depth camera
Camera Features (4th Camera) - Live Focus
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 20 Megapixel 8 Megapixel Xiaomi MI 9 has better front camera resolution than Samsung Galaxy A12.
Lens Aperture (Front) F/2.0 F/2.2 Xiaomi MI 9 has better front lens aperture than Xiaomi MI 9.
Pixel Size (Front) 0.9 μm -
Special Effects (Front) HDR, Magic mirror -
Camera Modes (Front) AI portrait mode, AI Beautify, AI makeup -
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
Camera Features (Front) Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare Live Focus
BATTERY AND CHARGING Xiaomi MI 9 Samsung Galaxy A12
Battery Capacity (Battery Size) 3300 mAh 5000 mAh Samsung Galaxy A12 has larger battery capacity than Xiaomi MI 9.
Fast Charging Technology Qualcomm Quick Charge 4.0+ Adaptive Fast Charging Both phones have fast charging technology.
Wireless Charging Standards WPC, Qi -
Talk Time - 3420 minutes
Run Time Details - Talk: up to 3420 min
Active online usage (LTE): up to 20 hrs
Active online usage (Wi-Fi): up to 20 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 104 hrs
CELLULAR Xiaomi MI 9 Samsung Galaxy A12
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
User Interface MIUI 10 -
Intelligent Assistant Google Assistant -
Payment Technology Android Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI 9 Samsung Galaxy A12
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band - 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 39, Band 40 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
WLAN Security WPA3 -
Messaging Services SMS, MMS -
MEDIA Xiaomi MI 9 Samsung Galaxy A12
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Qualcomm TrueWireless Stereo Plus -
FEATURES Xiaomi MI 9 Samsung Galaxy A12
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor Accelerometer
Security Devices Fingerprint reader (under display) Fingerprint reader
Additional Phone Features Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo Samsung KNOX, Samsung Smart Switch, Virtual Light Sensing, Virtual Proximity Sensing
OTHERS Xiaomi MI 9 Samsung Galaxy A12
Included Accessories Protective cover, SIM card removal tool, USB-C cable, USB-C audio adapter, 18W QC3.0 charger -
Compliant Standards TUV Rheinland Certified Safe Fast-Charge System -
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