Samsung Galaxy Note9 vs. Samsung Galaxy A31

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy Note9 and Samsung Galaxy A31. 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 Note9 vs. Samsung Galaxy A31 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy Note9 Samsung Galaxy A31
Product Type Smartphone Smartphone
Manufacturer Model Number SM-N960F/DS SM-A315G/DS
Form Factor Touch Touch
Height 161.9 mm 159.3 mm Samsung Galaxy Note9 has greater height than Samsung Galaxy A31.
Width 76.4 mm 73.1 mm Samsung Galaxy Note9 has greater width than Samsung Galaxy A31.
Depth 8.8 mm 8.6 mm Samsung Galaxy A31 is narrower than Samsung Galaxy Note9.
Weight 201 g 185 g Samsung Galaxy A31 is lighter than Samsung Galaxy Note9.
Body Colour Cobalt blue | Metallic copper | Deep black | Ocean blue | Midnight black | Lavender purple Prism crush black
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy Note9 is waterproof.
IP rating IP68 -
SAR Value 1.509 W/kg (body), 0.381 W/kg (head), 2.24 W/kg (limb) 1.68 W/kg (body), 0.488 W/kg (head)
Integrated Components 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 Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Samsung Galaxy Note9 Samsung Galaxy A31
Display Type OLED display OLED display
Display Technology Quad HD+ Super AMOLED Super AMOLED
Screen Size (Display Size) 6.4" 6.4" Both phones have the same screen size.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 2400 x 1080 pixels Samsung Galaxy Note9 has better screen resolution than Samsung Galaxy A31.
Display Format QHD+ Full HD+
Pixel Density 516 ppi -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Always-on display, Edge Screen, Infinity Display, Edge-to-Edge screen Night mode, Edge-to-Edge screen, Infinity U Display
PROCESSOR Samsung Galaxy Note9 Samsung Galaxy A31
Processor Type (CPU) Samsung Exynos 9 -
Processor Number 9810 -
Clock Speed 2.7 GHz 2 GHz Samsung Galaxy Note9 has higher clock speed than Samsung Galaxy A31.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy Note9 has 64-bit architecture.
Graphics System (GPU) Mali-G72 MP18 -
MEMORY Samsung Galaxy Note9 Samsung Galaxy A31
RAM LPDDR4 SDRAM - 6 GB 4 GB Samsung Galaxy Note9 has more RAM than Samsung Galaxy A31.
Internal Memory Size (Storage Capacity) 128 GB 64 GB Samsung Galaxy Note9 has more internal memory than Samsung Galaxy A31.
User Memory 108.9 GB 46.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy Note9 Samsung Galaxy A31
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A31 has better camera resolution than Samsung Galaxy Note9.
Sensor Size 1/2.55" -
Lens Type Wide-angle lens -
Lens Aperture F/1.5 & f/2.4 F/2.0 Samsung Galaxy Note9 has better lens aperture than Samsung Galaxy Note9.
Field of View (FoV) - 80 degree(s)
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) - Samsung Galaxy Note9 has optical stabilisation.
Focus Adjustment Automatic Automatic
Optical Zoom 2x -
Digital Zoom 10x 8x Samsung Galaxy Note9 has better digital zoom than Samsung Galaxy A31.
Special Effects HDR, Bokeh effect, Grid Line -
Camera Modes 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 Depth bokeh
Face Recognition (Face ID) Face detection - Samsung Galaxy Note9 has face detection.
Light Source LED 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, 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 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) 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 Live Focus
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Samsung Galaxy Note9 has better second camera resolution than Samsung Galaxy A31.
Sensor Size (2nd Camera) 1/3.4" -
Lens Type (2nd Camera) Telephoto lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/2.2 Samsung Galaxy A31 has better second camera lens aperture than Samsung Galaxy Note9.
Field of View (2nd Camera) - 123 degree(s)
Minimum Focal Length (2nd Camera) - 40 mm
Camera Functions (2nd Camera) - Macro camera
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Depth camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 20 Megapixel Samsung Galaxy A31 has better front camera resolution than Samsung Galaxy Note9.
Sensor Size (Front) 1/3.6" -
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.7 F/2.2 Samsung Galaxy Note9 has better front lens aperture than Samsung Galaxy Note9.
Focus Adjustment Automatic Focus free
Special Effects (Front) HDR, Grid Line -
Camera Modes (Front) Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus -
Camera Features (Front) Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization), Full view, Flaw detection -
BATTERY AND CHARGING Samsung Galaxy Note9 Samsung Galaxy A31
Battery Capacity (Battery Size) 4000 mAh 5000 mAh Samsung Galaxy A31 has larger battery capacity than Samsung Galaxy Note9.
Wireless Charging Yes - Samsung Galaxy Note9 can be charged wirelessly.
Wireless Charging Standards WPC, PMA -
Talk Time 1740 minutes 1980 minutes Samsung Galaxy A31 has longer battery life when making calls than Samsung Galaxy Note9.
Run Time Details Talk (3G): up to 1740 min
Active online usage (3G): up to 14 hrs
Active online usage (4G): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (audio): up to 59 hrs
Playback (audio (Always On Display Off)): up to 95 hrs
Playback (video): up to 20 hrs
Active online usage (LTE): up to 20 hrs
Active online usage (Wi-Fi): up to 20 hrs
Playback (video): up to 22 hrs
Playback (audio): up to 97 hrs
Talk (LTE): up to 1980 min
CELLULAR Samsung Galaxy Note9 Samsung Galaxy A31
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.1 Oreo Android 10
User Interface - One UI
Intelligent Assistant Bixby -
Payment Technology Samsung Pay Samsung Pay
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy Note9 Samsung Galaxy A31
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, 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
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 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 20, 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 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 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy Note9 Samsung Galaxy A31
Supported Digital Audio Standards 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 WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2
Sound Enhancements Dolby Digital Plus sound, Dolby Atmos sound technology, Acoustic Overload Point, stereo speakers tuned by AKG, Dolby Digital sound -
FEATURES Samsung Galaxy Note9 Samsung Galaxy A31
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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, pressure sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader, eye scan Fingerprint reader (under display)
Additional Phone Features 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 Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing
OTHERS Samsung Galaxy Note9 Samsung Galaxy A31
Included Accessories Power adapter, tweezer, SIM card removal tool, USB connector, USB-C cable, S Pen, Pen nibs, headset (tuned by AKG) Power adapter
Compliant Standards IP68 -
Max Depth of Water Resistance 1.5 m -
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