Samsung Galaxy S20 Ultra 5G vs. Xiaomi 12

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy S20 Ultra 5G and Xiaomi 12. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy S20 Ultra 5G vs. Xiaomi 12 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S20 Ultra 5G Xiaomi 12
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G988B/DS -
Form Factor Touch Touch
Height 166.9 mm 152.7 mm Samsung Galaxy S20 Ultra 5G has greater height than Xiaomi 12.
Width 76 mm 69.9 mm Samsung Galaxy S20 Ultra 5G has greater width than Xiaomi 12.
Depth 8.8 mm 8.16 mm Xiaomi 12 is narrower than Samsung Galaxy S20 Ultra 5G.
Weight 220 g 180 g Xiaomi 12 is lighter than Samsung Galaxy S20 Ultra 5G.
Body Colour Cosmic black | Cosmic grey | Cloud white Grey
Protection Dustproof, splashproof, water-resistant -
Waterproof (Water-resistant) Yes - Samsung Galaxy S20 Ultra 5G is waterproof.
IP rating IP68 -
SAR Value 1.557 W/kg (body), 0.66 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, Electronic SIM card (e-SIM) -
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Samsung Galaxy S20 Ultra 5G Xiaomi 12
Display Type OLED display OLED display
Display Technology Infinity-O Dynamic AMOLED 2X AMOLED
Screen Size (Display Size) 6.9" 6.28" Samsung Galaxy S20 Ultra 5G has larger screen size than Xiaomi 12.
Screen Resolution (Display Resolution) 3200 x 1440 pixels 2400 x 1080 pixels Samsung Galaxy S20 Ultra 5G has better screen resolution than Xiaomi 12.
Display Format QHD+ Full HD+
Pixel Density 511 ppi 419 ppi Samsung Galaxy S20 Ultra 5G has better pixel density than Xiaomi 12.
Aspect Ratio - 20:9
Max Brightness - 1100 cd/m²
Colour Depth 16.7 million colours 68 billion colours Xiaomi 12 has better colour depth than Samsung Galaxy S20 Ultra 5G.
Contrast Ratio - 5000000:1
HDR Yes Yes Both phones have HDR.
HDR Technology HDR10+ HDR10+
Display Enhancement Technology - Dolby Vision, Sunlight mode, AdaptiveSync technology
Display Refresh Rate 120 Hz 120 Hz Both phones have the same refresh rate.
Touch Sampling Rate - 480 Hz
Display Features Edge Screen, DCI-P3 Wide colour gamut, AOD(Always On Display), Edge Lighting 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 Victus (scratch resistant glass)
PROCESSOR Samsung Galaxy S20 Ultra 5G Xiaomi 12
Processor Type (CPU) Samsung Exynos 990 Qualcomm Snapdragon 8 Gen 1
Clock Speed 2.73 GHz 3 GHz Xiaomi 12 has higher clock speed than Samsung Galaxy S20 Ultra 5G.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy S20 Ultra 5G has 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO
MEMORY Samsung Galaxy S20 Ultra 5G Xiaomi 12
RAM LPDDR5 SDRAM - 12 GB LPDDR5 SDRAM - 8 GB Samsung Galaxy S20 Ultra 5G has more RAM than Xiaomi 12.
Internal Memory Size (Storage Capacity) 128 GB 256 GB Xiaomi 12 has more internal memory than Samsung Galaxy S20 Ultra 5G.
User Memory 104 GB -
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 1 TB -
CAMERA Samsung Galaxy S20 Ultra 5G Xiaomi 12
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 108 Megapixel 50 Megapixel Samsung Galaxy S20 Ultra 5G has better camera resolution than Xiaomi 12.
Sensor Size 1/1.33" 1/1.56" Xiaomi 12 has better camera sensor size than Samsung Galaxy S20 Ultra 5G.
Sensor Name - Sony IMX766 sensor
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/1.8 F/1.88 Samsung Galaxy S20 Ultra 5G has better lens aperture than Samsung Galaxy S20 Ultra 5G.
Lens Construction - 6-element
Field of View (FoV) 79 degree(s) -
Pixel Size 0.8 μm 1 μm Xiaomi 12 has larger camera pixel size than Samsung Galaxy S20 Ultra 5G.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic, manual Automatic
Optical Zoom 10x -
Digital Zoom 100x -
Self-Timer Delay Yes -
Special Effects HDR, Bokeh effect, Grid Line, Motion photos, video bokeh effect Moving crowd, Neon trails, Oil painting, Light painting, Starry sky, Star trails
Camera Modes Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video, Night, Mountain, Pro Video mode, Single Take 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 detection - Samsung Galaxy S20 Ultra 5G has face detection.
White Balance Custom, automatic -
Light Source High CRI LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 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, 7680 x 4320 (8K) at 24 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) Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Live Focus, Tracking AF, Video location tags, Quick Share, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, Shot suggestions, AR Emoji, blur detection, HDR10+ recording, Floating shutter button, Super steady, Quick Measure, Space Zoom, 33MP still photos while playing 8K video, 100x Super Resolution Zoom, 10x Hybrid Optic Zoom, 3D Scanner 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) 12 Megapixel 13 Megapixel Xiaomi 12 has better second camera resolution than Samsung Galaxy S20 Ultra 5G.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.4 Samsung Galaxy S20 Ultra 5G has better second camera lens aperture than Samsung Galaxy S20 Ultra 5G.
Field of View (2nd Camera) 120 degree(s) 123 degree(s) Xiaomi 12 has larger second camera lens field of view than Samsung Galaxy S20 Ultra 5G.
Pixel Size (2nd Camera) 1.4 μm -
THIRD CAMERA
Sensor Resolution (3rd Camera) 48 Megapixels 5 Megapixel Samsung Galaxy S20 Ultra 5G has higher resolution third camera than Xiaomi 12.
Lens Type (3rd Camera) Telephoto lens Tele-macro lens
Lens Aperture (3rd Camera) F/3.5 F/2.4 Xiaomi 12 has better third camera lens aperture than Samsung Galaxy S20 Ultra 5G.
Field of View (3rd Camera) 24 degree(s) -
Pixel Size (3rd Camera) 0.8 μm -
Focal Length Equivalent to 35mm Camera - 50mm
Camera Features (3rd Camera) - AF (3cm-7cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) 0.3 Megapixel -
Lens Aperture (4th Camera) F/1.0 -
Camera Functions (4th Camera) DepthVision camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 40 Megapixels 32 Megapixel Samsung Galaxy S20 Ultra 5G has better front camera resolution than Xiaomi 12.
Lens Aperture (Front) F/2.2 F/2.45 Samsung Galaxy S20 Ultra 5G has better front lens aperture than Samsung Galaxy S20 Ultra 5G.
Field of View (Front) 80 degree(s) -
Pixel Size (Front) 0.7 μm -
Focus Adjustment Automatic -
Special Effects (Front) - HDR
Camera Modes (Front) - 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
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) Phase Detect Auto-Focus (PDAF) 4-in-1 to 1.4μm Super Pixel, Video HDR
BATTERY AND CHARGING Samsung Galaxy S20 Ultra 5G Xiaomi 12
Battery Capacity (Battery Size) 5000 mAh 4500 mAh Samsung Galaxy S20 Ultra 5G has larger battery capacity than Xiaomi 12.
Fast Charging Technology Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging - Samsung Galaxy S20 Ultra 5G has fast charging technology.
Recharge Time (Charging Time) - 39 min
Wireless Charging Yes Yes Both phones can be charged wirelessly.
Wireless Charging Standards WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare -
Talk Time 1500 minutes -
Run Time Details Talk (LTE): up to 1500 min
Active online usage (LTE): up to 17 hrs
Active online usage (Wi-Fi): up to 18 hrs
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CELLULAR Samsung Galaxy S20 Ultra 5G Xiaomi 12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System Android 10 Android 12
User Interface Samsung One UI 2 MIUI 13
Intelligent Assistant Bixby -
Payment Technology Samsung Pay Google Pay
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo, NavIC
COMMUNICATIONS Samsung Galaxy S20 Ultra 5G Xiaomi 12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 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 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 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 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 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, 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, n28, n77, n78, n40 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 700APT, TDD TD 3700, TDD TD 3500, TDD 2300 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, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax 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 Samsung Galaxy S20 Ultra 5G Xiaomi 12
Supported Digital Audio Standards WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 -
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 -
Sound Enhancements Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound Harman Kardon Sound technology, Dolby Atmos sound technology
FEATURES Samsung Galaxy S20 Ultra 5G Xiaomi 12
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, flicker sensor, gyroscope, 360° ambient light sensor
Security Devices Fingerprint reader (under display), face recognition Fingerprint reader (under display)
Security Technology - AI face unlock
Additional Phone Features Smart Select, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Smart View, Live message, Samsung DeX support, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, Bixby key, 3D Scanner 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 Samsung Galaxy S20 Ultra 5G Xiaomi 12
Included Accessories Power adapter, SIM card removal tool, USB-C cable, headset (tuned by AKG), clear cover case, protective film SIM card removal tool, USB-C cable, protective case, 67W charger
Compliant Standards VDE, IP68, SGS SGS Low Blue Light Certification
Max Depth of Water Resistance 1.5 m -
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