Xiaomi MI A1 vs. Samsung Galaxy Note9 Unlocked

Phone Comparison, Reviews and Tests

Detailed comparison and review of Xiaomi MI A1 and Samsung Galaxy Note9 Unlocked. 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

Xiaomi MI A1 vs. Samsung Galaxy Note9 Unlocked Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-N960U1
Form Factor Touch Touch
Height 155.4 mm 161.9 mm Samsung Galaxy Note9 Unlocked has greater height than Xiaomi MI A1.
Width 75.8 mm 76.4 mm Samsung Galaxy Note9 Unlocked 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 201 g Xiaomi MI A1 is lighter than Xiaomi MI A1.
Body Colour Black Ocean blue
Body Material Metal -
Protection - Dustproof, splashproof, waterproof
Waterproof (Water-resistant) - Yes Samsung Galaxy Note9 Unlocked is waterproof.
IP rating - IP68
SAR Value 0.76 W/kg (body), 1.75 W/kg (head) 1.59 W/kg (simultaneous), 1.39 W/kg (wireless router), 1.03 W/kg (body), 1.29 W/kg (head)
Integrated Components FM radio Heart rate sensor
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
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 Single-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
Display Type LCD display OLED display
Display Technology LTPS IPS Quad HD+ Super AMOLED
Screen Size (Display Size) 5.5" 6.4" Samsung Galaxy Note9 Unlocked has larger screen size than Xiaomi MI A1.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2960 x 1440 pixels Samsung Galaxy Note9 Unlocked has better screen resolution than Xiaomi MI A1.
Display Format Full HD QHD+
Pixel Density 403 ppi 516 ppi Samsung Galaxy Note9 Unlocked has better pixel density than Xiaomi MI A1.
Max Brightness 450 cd/m² -
Colour Depth - 16.7 million colours
Display Features 2.5D curved glass Always-on display, Edge Screen, Infinity Display, Edge-to-Edge screen
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 845
Clock Speed 2 GHz 2.8 GHz Samsung Galaxy Note9 Unlocked 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 Note9 Unlocked has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 Qualcomm ADRENO 630
MEMORY Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
RAM 4 GB LPDDR4 SDRAM - 8 GB Samsung Galaxy Note9 Unlocked has more RAM than Xiaomi MI A1.
Internal Memory Size (Storage Capacity) 32 GB 512 GB Samsung Galaxy Note9 Unlocked has more internal memory than Xiaomi MI A1.
User Memory - 463.4 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 512 GB
CAMERA Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 12 Megapixel 12 Megapixel Both phones have the same camera resolution.
Sensor Size - 1/2.55"
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/2.2 F/1.5 & f/2.4 Samsung Galaxy Note9 Unlocked has better lens aperture than Xiaomi MI A1.
Lens Construction 5-element -
Optical Image Stabiliser (OIS) - Dual OIS (Optical Image Stabilisation) Samsung Galaxy Note9 Unlocked has optical stabilisation.
Focus Adjustment Automatic Automatic
Optical Zoom 2x 2x Both phones have the same optical zoom.
Digital Zoom 10x 10x Both phones have the same digital zoom.
Special Effects HDR, Beautify 3.0 HDR, Bokeh effect, Grid Line
Camera Modes Panorama, Continuous shot, low-light shots Panorama, Pro mode, Timer mode, HYPERLAPSE, Auto mode, Food mode, Super Slow-mo, AR Emoji, Portraits, Flowers, Indoor scenes, Animals, Landscapes, Greenery, Trees, Sky, Mountains, Beaches, Sunrises and sunsets, Watersides, Street scenes, Night scenes, Waterfalls, Snow, Birds, Backlit, Text, Disney AR Emoji
Face Recognition (Face ID) Face recognition Face detection Both phones have face detection.
Light Source Dual LED flash 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 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, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 2560 x 1440 (QHD) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash Quick Launch, Playback zoom, Motion photo, VDIS (Video Digital Image Stabilisation), Live Focus, Dual Capture, High CRI LED flash, Tracking AF, Video location tags, Stamps, location tags, Continuous autofocus video, Hyperlapse video support 1080p, Live focus with bokeh filters, Super Speed Dual Pixel, background blur, Scene Optimiser, Eye blink, Motion blur, Lens smudge, Backlit, Full view, Flaw detection, 9.1MP still photos recording 4K video
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 12 Megapixel Both phones have the same second camera resolution.
Sensor Size (2nd Camera) - 1/3.4"
Lens Type (2nd Camera) Telephoto lens Telephoto lens
Lens Aperture (2nd Camera) F/2.6 F/2.4 Samsung Galaxy Note9 Unlocked has better second camera lens aperture than Xiaomi MI A1.
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 8 Megapixel Samsung Galaxy Note9 Unlocked has better front camera resolution than Xiaomi MI A1.
Sensor Size (Front) - 1/3.6"
Lens Type (Front) - Wide-angle lens
Lens Aperture (Front) - F/1.7
Focus Adjustment - Automatic
Special Effects (Front) - HDR, Grid Line
Camera Modes (Front) Beautify with 36 smart beauty profiles Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus
Face Recognition (Face ID) Face recognition - Xiaomi MI A1 has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) Self-timer Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization), Full view, Flaw detection
BATTERY AND CHARGING Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
Battery Capacity (Battery Size) 3080 mAh 4000 mAh Samsung Galaxy Note9 Unlocked has larger battery capacity than Xiaomi MI A1.
Wireless Charging - Yes Samsung Galaxy Note9 Unlocked can be charged wirelessly.
Wireless Charging Standards - WPC, PMA
Talk Time - 2280 minutes
Run Time Details - Talk (CDMA): up to 2280 min
Active online usage (3G): up to 15 hrs
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (audio): up to 60 hrs
Playback (audio (Always On Display Off)): up to 95 hrs
Playback (video): up to 21 hrs
Talk (WCDMA): up to 2280 min
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
Technology WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Google Android Android 8.1 Oreo
Intelligent Assistant Google Assistant Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS
COMMUNICATIONS Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X
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 14, Band 17, Band 18, 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 71
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 700 PS, FDD 700b, FDD 800 lower, 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 600
Wireless Interface Infrared (IrDA), IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+/ANT
Bluetooth Bluetooth 4.2 Bluetooth 5.0 LE
Bluetooth Profiles HID -
NFC - Yes Samsung Galaxy Note9 Unlocked has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
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, apt-X, 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, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2
Sound Enhancements Dirac HD Sound Dolby Digital Plus sound, Dolby Atmos sound technology, Acoustic Overload Point, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
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, pressure sensor, geomagnetic sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader, eye scan
Additional Phone Features Noise suppression by Fortemedia S Pen multi-input, Face Unlock, Wi-Fi Miracast, Screen Write, Smart Select, MU-MIMO technology, Fast Charging, Samsung KNOX, Face recognition, High AOP Mic, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, Smart Performance Adjuster, Dual Audio, water-carbon cooling system, S Pen remote function
OTHERS Xiaomi MI A1 Samsung Galaxy Note9 Unlocked
Included Accessories Power adapter Power adapter, tweezer, SIM card removal tool, USB connector, USB-C cable, S Pen, Pen nibs, headset (tuned by AKG)
Compliant Standards - IP68
Max Depth of Water Resistance - 1.5 m
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