Xiaomi MI Mix 3 5G vs. Samsung Galaxy M12

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI Mix 3 5G and Samsung Galaxy M12. 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 Mix 3 5G vs. Samsung Galaxy M12 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Mix 3 5G Samsung Galaxy M12
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-M127F/DSN
Form Factor Touch slider Touch
Height 157.89 mm 164 mm Samsung Galaxy M12 has greater height than Xiaomi MI Mix 3 5G.
Width 74.69 mm 75.9 mm Samsung Galaxy M12 has greater width than Xiaomi MI Mix 3 5G.
Depth 8.46 mm 9.7 mm Xiaomi MI Mix 3 5G is narrower than Xiaomi MI Mix 3 5G.
Weight 225 g 214 g Samsung Galaxy M12 is lighter than Xiaomi MI Mix 3 5G.
Body Colour Sapphire blue | Onyx black Black | Green
Waterproof (Water-resistant) - -
SAR Value 1.577 W/kg (body), 1.557 W/kg (head) 1.388 W/kg (body), 1.83 W/kg (limb), 0.539 W/kg (head)
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
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Xiaomi MI Mix 3 5G Samsung Galaxy M12
Display Type OLED display LCD display
Display Technology AMOLED PLS TFT
Screen Size (Display Size) 6.39" 6.5" Samsung Galaxy M12 has larger screen size than Xiaomi MI Mix 3 5G.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels Xiaomi MI Mix 3 5G has better screen resolution than Samsung Galaxy M12.
Display Format Full HD+ HD+
Pixel Density 403 ppi -
Aspect Ratio 19.5:9 -
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
Contrast Ratio 60000:1 -
HDR Yes - Xiaomi MI Mix 3 5G has HDR.
Display Enhancement Technology Sunlight mode -
Display Features Always-on display, Reading mode, Colour temperature adjustment, night mode Infinity V Display, Dark mode
PROCESSOR Xiaomi MI Mix 3 5G Samsung Galaxy M12
Processor Type (CPU) Qualcomm Snapdragon 855 -
Clock Speed 2.84 GHz 2 GHz Xiaomi MI Mix 3 5G has higher clock speed than Samsung Galaxy M12.
Processor Core Qty - 8-core
64-bit Architecture Yes - Xiaomi MI Mix 3 5G has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 -
MEMORY Xiaomi MI Mix 3 5G Samsung Galaxy M12
RAM LPDDR4X SDRAM - 6 GB 4 GB Xiaomi MI Mix 3 5G has more RAM than Samsung Galaxy M12.
Internal Memory Size (Storage Capacity) 128 GB 64 GB Xiaomi MI Mix 3 5G has more internal memory than Samsung Galaxy M12.
User Memory - 48.1 GB
Memory Interface UFS 2.1 -
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Xiaomi MI Mix 3 5G Samsung Galaxy M12
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy M12 has better camera resolution than Xiaomi MI Mix 3 5G.
Sensor Name Sony Exmor RS IMX363 sensor -
Lens Type Wide-angle lens -
Lens Aperture F/1.8 F/2.0 Xiaomi MI Mix 3 5G has better lens aperture than Xiaomi MI Mix 3 5G.
Pixel Size 1.4 μm -
Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) - Xiaomi MI Mix 3 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
Special Effects HDR Bokeh effect
Camera Modes Panorama, Nightscape capture mode, Personalized AI Beautify Portrait mode
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 3 5G has face detection.
Light Source 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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) at 960 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) AI scene and object detection, Dual Pixel Autofocus technology, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, AI dynamic bokeh, AI studio lighting, AI Super Resolution, low-light enhancement technology, AI special effects -
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 5 Megapixel Xiaomi MI Mix 3 5G has better second camera resolution than Samsung Galaxy M12.
Sensor Name (2nd Camera) Samsung S5K3M3+ -
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
Pixel Size (2nd Camera) 1 μm -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Depth camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 24 Megapixel 8 Megapixel Xiaomi MI Mix 3 5G has better front camera resolution than Samsung Galaxy M12.
Sensor Name (Front) Sony Exmor RS IMX576 sensor -
Lens Aperture (Front) - F/2.2
Pixel Size (Front) 1.8 μm -
Focus Adjustment - Focus free
Special Effects (Front) Magic mirror Bokeh effect
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Bokeh Mode, AI Beautify, AI makeup -
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 3 5G has face detection.
Camera Features (Front) AI portrait mode, 4-in-1 Super Pixel technology, Video Beautify, AI scene detection, AI dynamic bokeh, AI studio lighting, AI real-time video background blurring, AI eye light -
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 2 Megapixel -
Sensor Name (2nd Front) OC0A10 -
Pixel Size (2nd Front) 1.75 μm -
BATTERY AND CHARGING Xiaomi MI Mix 3 5G Samsung Galaxy M12
Battery Capacity (Battery Size) 3800 mAh 5000 mAh Samsung Galaxy M12 has larger battery capacity than Xiaomi MI Mix 3 5G.
Fast Charging Technology Qualcomm Quick Charge 4.0+ Adaptive Fast Charging Both phones have fast charging technology.
Talk Time - 2940 minutes
Run Time Details - 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 92 hrs
Talk (4G): up to 2940 min
CELLULAR Xiaomi MI Mix 3 5G Samsung Galaxy M12
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G Xiaomi MI Mix 3 5G has more advanced generation mobile network.
User Interface - One UI
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI Mix 3 5G Samsung Galaxy M12
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X 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 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, 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 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band N78 -
5G NR Frequency TDD TD 3500 -
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.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI Mix 3 5G Samsung Galaxy M12
Supported Digital Audio Standards WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD WAV, 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, H.265, ASP MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
FEATURES Xiaomi MI Mix 3 5G Samsung Galaxy M12
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, vibration sensor, ultrasonic distance sensor Accelerometer
Security Devices Face recognition, fingerprint reader Fingerprint reader
Additional Phone Features MIMO technology, MU-MIMO technology Samsung KNOX, Virtual Light Sensing, Virtual Proximity Sensing
OTHERS Xiaomi MI Mix 3 5G Samsung Galaxy M12
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable -
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