Samsung Galaxy Note9 Unlocked vs. Realme C31

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy Note9 Unlocked and Realme C31. 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 Unlocked vs. Realme C31 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy Note9 Unlocked Realme C31
Product Type Smartphone Smartphone
Manufacturer Model Number SM-N960U1 RMX3501
Form Factor Touch Touch
Height 161.9 mm 164.7 mm Realme C31 has greater height than Samsung Galaxy Note9 Unlocked.
Width 76.4 mm 76.1 mm Samsung Galaxy Note9 Unlocked has greater width than Realme C31.
Depth 8.8 mm 8.4 mm Realme C31 is narrower than Samsung Galaxy Note9 Unlocked.
Weight 201 g 197 g Realme C31 is lighter than Samsung Galaxy Note9 Unlocked.
Body Colour Ocean blue Light silver | Dark green
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy Note9 Unlocked is waterproof.
IP rating IP68 -
SAR Value 1.59 W/kg (simultaneous), 1.39 W/kg (wireless router), 1.03 W/kg (body), 1.29 W/kg (head) 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb)
Integrated Components Heart rate sensor -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Samsung Galaxy Note9 Unlocked Realme C31
Display Type OLED display -
Display Technology Quad HD+ Super AMOLED -
Screen Size (Display Size) 6.4" 6.5" Realme C31 has larger screen size than Samsung Galaxy Note9 Unlocked.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 1600 x 720 pixels Samsung Galaxy Note9 Unlocked has better screen resolution than Realme C31.
Display Format QHD+ HD+
Pixel Density 516 ppi -
Aspect Ratio - 20:9
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Refresh Rate - 60 Hz
Touch Sampling Rate - 120 Hz
Display Features Always-on display, Edge Screen, Infinity Display, Edge-to-Edge screen Ultra-clear View
PROCESSOR Samsung Galaxy Note9 Unlocked Realme C31
Processor Type (CPU) Qualcomm Snapdragon 845 Unisoc
Processor Number - T612
Clock Speed 2.8 GHz 1.82 GHz Samsung Galaxy Note9 Unlocked has higher clock speed than Realme C31.
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 630 ARM Mali-G57
MEMORY Samsung Galaxy Note9 Unlocked Realme C31
RAM LPDDR4 SDRAM - 8 GB LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension Samsung Galaxy Note9 Unlocked has more RAM than Realme C31.
Internal Memory Size (Storage Capacity) 512 GB 64 GB Samsung Galaxy Note9 Unlocked has more internal memory than Realme C31.
User Memory 463.4 GB -
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy Note9 Unlocked Realme C31
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 12 Megapixel 13 Megapixel Realme C31 has better camera resolution than Samsung Galaxy Note9 Unlocked.
Sensor Size 1/2.55" -
Lens Type Wide-angle lens -
Lens Aperture F/1.5 & f/2.4 F/2.2 Samsung Galaxy Note9 Unlocked has better lens aperture than Samsung Galaxy Note9 Unlocked.
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 -
Digital Zoom 10x -
Special Effects HDR, Bokeh effect, Grid Line HDR
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 Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro
Face Recognition (Face ID) Face detection - Samsung Galaxy Note9 Unlocked 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, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) 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 AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel Samsung Galaxy Note9 Unlocked has better second camera resolution than Realme C31.
Sensor Size (2nd Camera) 1/3.4" -
Lens Type (2nd Camera) Telephoto lens -
Lens Aperture (2nd Camera) F/2.4 F/2.4 Both phones have the same second camera lens aperture.
Camera Functions (2nd Camera) - Macro camera
Camera Features (2nd Camera) - 4cm macro photography
THIRD CAMERA
Sensor Resolution (3rd Camera) - 0.3 Megapixel
Lens Aperture (3rd Camera) - F/2.8
Camera Functions (3rd Camera) - B&W lens
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 5 Megapixel Samsung Galaxy Note9 Unlocked has better front camera resolution than Realme C31.
Sensor Size (Front) 1/3.6" -
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.7 F/2.2 Samsung Galaxy Note9 Unlocked has better front lens aperture than Samsung Galaxy Note9 Unlocked.
Lens Element Qty (Front) - 3-element
Focus Adjustment Automatic -
Special Effects (Front) HDR, Grid Line HDR
Camera Modes (Front) Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus Beauty mode, Filter mode
Video Resolutions (Front) - 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps
Camera Features (Front) Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization), Full view, Flaw detection AI Selfie
BATTERY AND CHARGING Samsung Galaxy Note9 Unlocked Realme C31
Battery Capacity (Battery Size) 4000 mAh 5000 mAh Realme C31 has larger battery capacity than Samsung Galaxy Note9 Unlocked.
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
-
CELLULAR Samsung Galaxy Note9 Unlocked Realme C31
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.1 Oreo Android 11
User Interface - Realme UI (R Edition)
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS GPS, A-GPS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy Note9 Unlocked Realme C31
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 850, 900
4G LTE Band 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 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
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 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 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT Wi-Fi
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
NFC Yes - Samsung Galaxy Note9 Unlocked has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy Note9 Unlocked Realme C31
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 -
Supported Digital Video Standards 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 Unlocked Realme C31
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, pressure sensor, geomagnetic sensor Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor
Security Devices Face recognition, fingerprint reader, eye scan Fingerprint reader (side)
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 MIMO technology, Ultra Power Saving Mode, Fast Charging
OTHERS Samsung Galaxy Note9 Unlocked Realme C31
Included Accessories Power adapter, tweezer, SIM card removal tool, USB connector, USB-C cable, S Pen, Pen nibs, headset (tuned by AKG) SIM card removal tool, 10W charger, micro-USB cable
Compliant Standards IP68 TUV Rheinland
Max Depth of Water Resistance 1.5 m -
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