Xiaomi MI A1 vs. Samsung Galaxy S20 Ultra 5G

Phone Comparison, Reviews and Tests

Side by side comparison and review of Xiaomi MI A1 and Samsung Galaxy S20 Ultra 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Xiaomi MI A1 vs. Samsung Galaxy S20 Ultra 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-G988B/DS
Form Factor Touch Touch
Height 155.4 mm 166.9 mm Samsung Galaxy S20 Ultra 5G has greater height than Xiaomi MI A1.
Width 75.8 mm 76 mm Samsung Galaxy S20 Ultra 5G has greater width than Xiaomi MI A1.
Depth 7.3 mm 8.8 mm Xiaomi MI A1 is narrower than Xiaomi MI A1.
Weight 165 g 220 g Xiaomi MI A1 is lighter than Xiaomi MI A1.
Body Colour Black Cosmic black | Cosmic grey | Cloud white
Body Material Metal -
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy S20 Ultra 5G is waterproof.
IP rating - IP68
SAR Value 0.76 W/kg (body), 1.75 W/kg (head) 1.557 W/kg (body), 0.66 W/kg (head)
Integrated Components FM radio -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD Nano SIM + nano SIM/microSD
DISPLAY Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
Display Type LCD display OLED display
Display Technology LTPS IPS Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 5.5" 6.9" Samsung Galaxy S20 Ultra 5G has larger screen size than Xiaomi MI A1.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 3200 x 1440 pixels Samsung Galaxy S20 Ultra 5G has better screen resolution than Xiaomi MI A1.
Display Format Full HD QHD+
Pixel Density 403 ppi 511 ppi Samsung Galaxy S20 Ultra 5G has better pixel density than Xiaomi MI A1.
Max Brightness 450 cd/m² -
Colour Depth - 16.7 million colours
HDR - Yes Samsung Galaxy S20 Ultra 5G has HDR.
HDR Technology - HDR10+
Display Refresh Rate - 120 Hz
Display Features 2.5D curved glass Edge Screen, DCI-P3 Wide colour gamut, AOD(Always On Display), Edge Lighting
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
Processor Type (CPU) Qualcomm Snapdragon 625 Samsung Exynos 990
Clock Speed 2 GHz 2.73 GHz Samsung Galaxy S20 Ultra 5G has higher clock speed than Xiaomi MI A1.
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 506 -
MEMORY Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
RAM 4 GB LPDDR5 SDRAM - 12 GB Samsung Galaxy S20 Ultra 5G has more RAM than Xiaomi MI A1.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Samsung Galaxy S20 Ultra 5G has more internal memory than Xiaomi MI A1.
User Memory - 104 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 1 TB
CAMERA Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 108 Megapixel Samsung Galaxy S20 Ultra 5G has better camera resolution than Xiaomi MI A1.
Sensor Size - 1/1.33"
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/2.2 F/1.8 Samsung Galaxy S20 Ultra 5G has better lens aperture than Xiaomi MI A1.
Lens Construction 5-element -
Field of View (FoV) - 79 degree(s)
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy S20 Ultra 5G has optical stabilisation.
Focus Adjustment Automatic Automatic, manual
Optical Zoom 2x 10x Samsung Galaxy S20 Ultra 5G has better optical zoom than Xiaomi MI A1.
Digital Zoom 10x 100x Samsung Galaxy S20 Ultra 5G has better digital zoom than Xiaomi MI A1.
Self-Timer Delay - Yes
Special Effects HDR, Beautify 3.0 HDR, Bokeh effect, Grid Line, Motion photos, video bokeh effect
Camera Modes Panorama, Continuous shot, low-light shots 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
Face Recognition (Face ID) Face recognition Face detection Both phones have face detection.
White Balance - Custom, automatic
Light Source Dual LED flash High CRI LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps 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
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash 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
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 12 Megapixel Both phones have the same second camera resolution.
Lens Type (2nd Camera) Telephoto lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.6 F/2.2 Samsung Galaxy S20 Ultra 5G has better second camera lens aperture than Xiaomi MI A1.
Field of View (2nd Camera) - 120 degree(s)
Pixel Size (2nd Camera) - 1.4 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) - 48 Megapixels
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/3.5
Field of View (3rd Camera) - 24 degree(s)
Pixel Size (3rd Camera) - 0.8 μm
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) 5 Megapixel 40 Megapixels Samsung Galaxy S20 Ultra 5G has better front camera resolution than Xiaomi MI A1.
Lens Aperture (Front) - F/2.2
Field of View (Front) - 80 degree(s)
Pixel Size (Front) - 0.7 μm
Focus Adjustment - Automatic
Camera Modes (Front) Beautify with 36 smart beauty profiles -
Face Recognition (Face ID) Face recognition - Xiaomi MI A1 has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) Self-timer Phase Detect Auto-Focus (PDAF)
BATTERY AND CHARGING Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
Battery Capacity (Battery Size) 3080 mAh 5000 mAh Samsung Galaxy S20 Ultra 5G has larger battery capacity than Xiaomi MI A1.
Fast Charging Technology - Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging Samsung Galaxy S20 Ultra 5G has fast charging technology.
Wireless Charging - Yes Samsung Galaxy S20 Ultra 5G 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
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy S20 Ultra 5G has more advanced generation mobile network.
Operating System Google Android Android 10
User Interface - Samsung One UI 2
Intelligent Assistant Google Assistant Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, 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 66
4G LTE Frequency FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, 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, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n28, n77, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface Infrared (IrDA), IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Bluetooth Profiles HID -
NFC - Yes Samsung Galaxy S20 Ultra 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
Supported Digital Audio Standards WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB 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, XviD, MPEG-4, M4V MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dirac HD Sound Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
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, proximity sensor, gyro sensor, hall sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor
Security Devices Fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features Noise suppression by Fortemedia 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
OTHERS Xiaomi MI A1 Samsung Galaxy S20 Ultra 5G
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable, headset (tuned by AKG), clear cover case, protective film
Compliant Standards - VDE, IP68, SGS
Max Depth of Water Resistance - 1.5 m
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