Microsoft Surface Duo vs. Xiaomi 12

Phone Comparison, Reviews and Tests

In depth comparison and review of Microsoft Surface Duo 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.

Phone Specifications Comparison

Microsoft Surface Duo vs. Xiaomi 12 Comparison Chart
DESIGN AND DIMENSIONS Microsoft Surface Duo Xiaomi 12
Product Type Smartphone Smartphone
Form Factor Folder - dual screen Touch
Height 145.2 mm 152.7 mm Xiaomi 12 has greater height than Microsoft Surface Duo.
Width 93.3 mm 69.9 mm Microsoft Surface Duo has greater width than Xiaomi 12.
Depth 9.9 mm 8.16 mm Xiaomi 12 is narrower than Microsoft Surface Duo.
Weight 250 g 180 g Xiaomi 12 is lighter than Microsoft Surface Duo.
Dimensions Details Unfolded - 186.9 mm x 4.8 mm x 145.2 mm -
Body Colour Glacier Grey
Waterproof (Water-resistant) - -
SAR Value 0.726 W/kg (head), 1.478 W/kg (body) 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, Electronic SIM card (e-SIM) -
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Microsoft Surface Duo Xiaomi 12
Display Type OLED display OLED display
Display Technology AMOLED AMOLED
Foldable Display Yes -
Display Design Both directions folding -
Screen Size (Display Size) 5.6" 6.28" Xiaomi 12 has larger screen size than Microsoft Surface Duo.
Screen Resolution (Display Resolution) 1800 x 1350 pixels 2400 x 1080 pixels Xiaomi 12 has better screen resolution than Microsoft Surface Duo.
Display Format - Full HD+
Pixel Density 401 ppi 419 ppi Xiaomi 12 has better pixel density than Microsoft Surface Duo.
Aspect Ratio 4:3 20:9
Max Brightness - 1100 cd/m²
Colour Depth - 68 billion colours
Contrast Ratio - 5000000:1
HDR - Yes Xiaomi 12 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - Dolby Vision, Sunlight mode, AdaptiveSync technology
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 480 Hz
Display Features PixelSense Fusion Displays 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 (scratch resistant glass) Corning Gorilla Glass Victus (scratch resistant glass)
SECOND DISPLAY
Second Display Type OLED display - colour -
Second Display Screen Size 5.6" -
Second Display Resolution 1800 x 1350 pixels -
UNFOLDED DISPLAY
Unfolded Display Screen Size 8.1 in -
Unfolded Display Resolution 2700 x 1800 pixels -
PROCESSOR Microsoft Surface Duo Xiaomi 12
Processor Type (CPU) Qualcomm Snapdragon 855 Qualcomm Snapdragon 8 Gen 1
Clock Speed - 3 GHz
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - Qualcomm ADRENO
MEMORY Microsoft Surface Duo Xiaomi 12
RAM 6 GB LPDDR5 SDRAM - 8 GB Xiaomi 12 has more RAM than Microsoft Surface Duo.
Internal Memory Size (Storage Capacity) 128 GB 256 GB Xiaomi 12 has more internal memory than Microsoft Surface Duo.
Memory Interface UFS 3.0 UFS 3.1
CAMERA Microsoft Surface Duo Xiaomi 12
MAIN CAMERA
Number of Main Cameras 0 3
Sensor Resolution - 50 Megapixel
Sensor Size - 1/1.56"
Sensor Name - Sony IMX766 sensor
Lens Type - Wide-angle lens
Lens Aperture - F/1.88
Lens Construction - 6-element
Pixel Size - 1 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Xiaomi 12 has optical stabilisation.
Focus Adjustment - Automatic
Special Effects - Moving crowd, Neon trails, Oil painting, Light painting, Starry sky, Star trails
Camera Modes - 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
Light Source - 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, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 7680 x 4320 (8K) at 24 fps
Camera Features (Functions) - HDR10+ recording, Google Lens, One-click AI cinema, HDR video recording, 2.1μm 4-in-1 Super Pixel, Xiaomi ProFocus
SECOND CAMERA
Sensor Resolution (2nd Camera) - 13 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.4
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Type (3rd Camera) - Tele-macro lens
Lens Aperture (3rd Camera) - F/2.4
Focal Length Equivalent to 35mm Camera - 50mm
Camera Features (3rd Camera) - AF (3cm-7cm)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 11 Megapixel 32 Megapixel Xiaomi 12 has better front camera resolution than Microsoft Surface Duo.
Lens Aperture (Front) F/2.0 F/2.45 Microsoft Surface Duo has better front lens aperture than Microsoft Surface Duo.
Field of View (Front) 84 degree(s) -
Pixel Size (Front) 1 μm -
Special Effects (Front) HDR HDR
Camera Modes (Front) Burst mode, Panorama, low-light shots, Portrait mode with adjustable depth control 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
Light Source (Front) High CRI LED flash -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps 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) Phase Detect Auto-Focus (PDAF), FOV optimised with AI (for front and rear), dynamic range scene detection, Super-resolution zoom, super zoom up to 7x, gyro-based digital video stabilisation 4-in-1 to 1.4μm Super Pixel, Video HDR
BATTERY AND CHARGING Microsoft Surface Duo Xiaomi 12
Battery Capacity (Battery Size) 3577 mAh 4500 mAh Xiaomi 12 has larger battery capacity than Microsoft Surface Duo.
Recharge Time (Charging Time) - 39 min
Wireless Charging - Yes Xiaomi 12 can be charged wirelessly.
Standby Time 240 hours -
Talk Time 1620 minutes -
Run Time Details Standby: up to 240 hrs
Talk: up to 1620 min
Playback (local video): up to 15.5 hrs
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CELLULAR Microsoft Surface Duo Xiaomi 12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Xiaomi 12 has more advanced generation mobile network.
Operating System Android 10 Android 12
User Interface - MIUI 13
Intelligent Assistant Google Assistant -
Payment Technology - Google Pay
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo, NavIC
COMMUNICATIONS Microsoft Surface Duo Xiaomi 12
Data Transmission GPRS, FDD-LTE, TDD-LTE, LAA FDD-LTE, TDD-LTE, 5G NR FR1
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 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 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 12, Band 13, Band 14, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 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 700a, FDD 700c, FDD 700 PS, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 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 802.11ac IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E
Bluetooth Bluetooth 5.0 Bluetooth 5.2
NFC - Yes Xiaomi 12 has NFC reader for mobile payments.
MEDIA Microsoft Surface Duo Xiaomi 12
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A, apt-X, IMY, RTTTL, RTX, OTA, MID -
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 -
Sound Enhancements Qualcomm aptX audio Harman Kardon Sound technology, Dolby Atmos sound technology
FEATURES Microsoft Surface Duo Xiaomi 12
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Proximity sensor, hall sensor, dual accelerometers, dual gyroscope, dual magnetometer, dual ambient light sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, flicker sensor, gyroscope, 360° ambient light sensor
Security Devices Fingerprint reader (side) Fingerprint reader (under display)
Security Technology - AI face unlock
Additional Phone Features MIMO technology, Fast Charging, dual microphones with noise suppression and echo cancellation, Full Duplex communication, 360° hinge, stylus support, two apps side-by-side 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 Microsoft Surface Duo Xiaomi 12
Included Accessories SIM card removal tool, USB-C headphones, 18W charger, Surface Duo Bumper (Glacier) SIM card removal tool, USB-C cable, protective case, 67W charger
Compliant Standards - SGS Low Blue Light Certification
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