Xiaomi Redmi Note 9 vs. Samsung Galaxy Note20 Ultra 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi Redmi Note 9 and Samsung Galaxy Note20 Ultra 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Xiaomi Redmi Note 9 vs. Samsung Galaxy Note20 Ultra 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-N986B/DS
Form Factor Touch Touch
Height 162.3 mm 164.8 mm Samsung Galaxy Note20 Ultra 5G has greater height than Xiaomi Redmi Note 9.
Width 77.2 mm 77.2 mm Both phones are the same width
Depth 8.9 mm 8.1 mm Samsung Galaxy Note20 Ultra 5G is narrower than Xiaomi Redmi Note 9.
Weight 199 g 208 g Xiaomi Redmi Note 9 is lighter than Xiaomi Redmi Note 9.
Body Colour Forest green Mystic white | Mystic black | Mystic bronze
Protection Splashproof Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy Note20 Ultra 5G is waterproof.
IP rating - IP68
SAR Value 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) 1.47 W/kg (body), 0.338 W/kg (head), 3.29 W/kg (limb)
Integrated Components Ultra-linear speaker 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
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 Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
Display Type - OLED display
Display Technology - Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 6.53" 6.9" Samsung Galaxy Note20 Ultra 5G has larger screen size than Xiaomi Redmi Note 9.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 3088 x 1440 pixels Samsung Galaxy Note20 Ultra 5G has better screen resolution than Xiaomi Redmi Note 9.
Display Format Full HD+ QHD+
Pixel Density - 496 ppi
Aspect Ratio 19.5:9 -
Max Brightness 450 cd/m² -
Colour Depth - 16.7 million colours
Contrast Ratio 1500:1 -
HDR - Yes Samsung Galaxy Note20 Ultra 5G has HDR.
HDR Technology - HDR10+
Display Refresh Rate - 120 Hz
Display Features Reading mode 2.0, Dot Display, Full Screen gestures Edge Screen, AOD(Always On Display), Edge Lighting, Video Wallpaper
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
Processor Type (CPU) MediaTek Helio G85 Samsung
Clock Speed 2 GHz 2.73 GHz Samsung Galaxy Note20 Ultra 5G has higher clock speed than Xiaomi Redmi Note 9.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes Samsung Galaxy Note20 Ultra 5G has 64-bit architecture.
Graphics System (GPU) ARM G52 MC2 -
MEMORY Xiaomi Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
RAM 3 GB LPDDR5 SDRAM - 12 GB Samsung Galaxy Note20 Ultra 5G has more RAM than Xiaomi Redmi Note 9.
Internal Memory Size (Storage Capacity) 64 GB 256 GB Samsung Galaxy Note20 Ultra 5G has more internal memory than Xiaomi Redmi Note 9.
User Memory - 221.6 GB
Supported Flash Memory Cards (Expandable Memory) microSD microSDHC, microSDXC - up to 1 TB
CAMERA Xiaomi Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 108 Megapixel Samsung Galaxy Note20 Ultra 5G has better camera resolution than Xiaomi Redmi Note 9.
Sensor Size 1/2" 1/1.33" Xiaomi Redmi Note 9 has better camera sensor size than Samsung Galaxy Note20 Ultra 5G.
Lens Type - Wide-angle lens
Lens Aperture F/1.79 F/1.8 Xiaomi Redmi Note 9 has better lens aperture than Xiaomi Redmi Note 9.
Lens Construction 6-element -
Field of View (FoV) 79.4 degree(s) 79 degree(s) Xiaomi Redmi Note 9 has larger lens field of view than Samsung Galaxy Note20 Ultra 5G.
Pixel Size 0.8 μm 0.8 μm Both phones have the same camera pixel size.
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy Note20 Ultra 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Optical Zoom - 5x
Digital Zoom - 50x
Self-Timer Delay - Yes
Special Effects HDR, Kaleidoscope HDR, Grid Line
Camera Modes Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits Panorama, Slow motion mode, HYPERLAPSE, Live Focus mode, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Motion Photos, 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, Pro Video
Face Recognition (Face ID) Face recognition Face detection Both phones have face detection.
Light Source Flash High CRI LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) 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, 1920 x 1080 (1080p) at 120 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) 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Floating shutter button, Super steady, Zoom-In Mic, Space Zoom, Take 33MP still photos while playing 8K video, AR Doodle, 50x Super Resolution Zoom, HEVC (High Efficiency Video coding) support, Microphone Control (Pro Video only)
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy Note20 Ultra 5G has better second camera resolution than Xiaomi Redmi Note 9.
Sensor Size (2nd Camera) 1/4" -
Lens Type (2nd Camera) Ultra wide-angle lens Telephoto lens
Lens Aperture (2nd Camera) F/2.2 F/3.0 Xiaomi Redmi Note 9 has better second camera lens aperture than Xiaomi Redmi Note 9.
Lens Element Qty (2nd Camera) 5-element -
Field of View (2nd Camera) 118 degree(s) 20 degree(s) Xiaomi Redmi Note 9 has larger second camera lens field of view than Samsung Galaxy Note20 Ultra 5G.
Pixel Size (2nd Camera) 1.2 μm 1 μm Xiaomi Redmi Note 9 has larger second camera pixel size than Samsung Galaxy Note20 Ultra 5G.
Camera Features (2nd Camera) 5-piece lens -
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 12 Megapixel Samsung Galaxy Note20 Ultra 5G has higher resolution third camera than Xiaomi Redmi Note 9.
Lens Type (3rd Camera) - Ultra wide-angle lens
Lens Aperture (3rd Camera) F/2.4 F/2.2 Samsung Galaxy Note20 Ultra 5G has better third camera lens aperture than Xiaomi Redmi Note 9.
Field of View (3rd Camera) - 120 degree(s)
Pixel Size (3rd Camera) 1.75 μm 1.4 μm Xiaomi Redmi Note 9 has larger third camera pixel size than Samsung Galaxy Note20 Ultra 5G.
Camera Functions (3rd Camera) Macro camera -
Camera Features (3rd Camera) AF (2cm-10cm) -
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Sensor Size (4th Camera) 1/5" -
Lens Aperture (4th Camera) F/2.4 -
Lens Element Qty (4th Camera) 3-element -
Pixel Size (4th Camera) 1.75 μm -
Camera Functions (4th Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 13 Megapixel 10 Megapixel Xiaomi Redmi Note 9 has better front camera resolution than Samsung Galaxy Note20 Ultra 5G.
Sensor Size (Front) 1/3.06" -
Lens Aperture (Front) F/2.25 F/2.2 Samsung Galaxy Note20 Ultra 5G has better front lens aperture than Xiaomi Redmi Note 9.
Lens Element Qty (Front) 5-element -
Field of View (Front) 74 degree(s) 80 degree(s) Samsung Galaxy Note20 Ultra 5G has larger front lens field of view than Xiaomi Redmi Note 9.
Pixel Size (Front) 1.12 μm 1.22 μm Samsung Galaxy Note20 Ultra 5G has larger front camera pixel size than Xiaomi Redmi Note 9.
Focus Adjustment - Automatic
Special Effects (Front) HDR -
Camera Modes (Front) Panoramic selfies, AI portrait mode, AI Beautify Timer mode, wide selfie mode, selfie mode, Live Focus mode, AR Emoji, selfie focus, Live focus video
Face Recognition (Face ID) Face recognition - Xiaomi Redmi Note 9 has face detection.
Light Source (Front) Display flash -
Camera Features (Front) Palm shutter, AI silhouette detection Dual Pixel AF
BATTERY AND CHARGING Xiaomi Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
Battery Capacity (Battery Size) 5020 mAh 4500 mAh Xiaomi Redmi Note 9 has larger battery capacity than Samsung Galaxy Note20 Ultra 5G.
Fast Charging Technology - Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Power Delivery 3.0 Samsung Galaxy Note20 Ultra 5G has fast charging technology.
Wireless Charging - Yes Samsung Galaxy Note20 Ultra 5G can be charged wirelessly.
Wireless Charging Standards - WPC, Fast Wireless Charging 2.0, Wireless PowerShare
Talk Time 1980 minutes 1440 minutes Xiaomi Redmi Note 9 has longer battery life when making calls than Samsung Galaxy Note20 Ultra 5G.
Run Time Details Talk: up to 1980 min
Gaming: up to 16 hrs
Playback (Music): up to 147 hrs
Navigation: up to 16 hrs
Active online usage (LTE): up to 15 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (wireless video): up to 19 hrs
Playback (wireless audio): up to 75 hrs
Talk (4G): up to 1440 min
Battery Technology Lithium polymer Lithium Ion
CELLULAR Xiaomi Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy Note20 Ultra 5G has more advanced generation mobile network.
Operating System - Android 10
User Interface - One UI 2.5
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
Data Transmission VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1900 GSM, 2100 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 20, Band 28, Band 38, Band 40, Band 41 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 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 IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC - Yes Samsung Galaxy Note20 Ultra 5G has NFC reader for mobile payments.
Messaging Services - SMS, MMS
MEDIA Xiaomi Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) 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, M4V, MP4 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements - Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, Acoustic Overload Point, stereo speakers tuned by AKG, Dolby Digital sound
Audio Amplifier Smart PA -
FEATURES Xiaomi Redmi Note 9 Samsung Galaxy Note20 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, digital compass, gyro sensor, infrared (IR) sensor Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features Infrared remote control, HyperEngine technology MIMO technology, Screen mirroring, Screen Write, Smart Select, Fast Charging, Samsung KNOX, High AOP Mic, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, PENUP
OTHERS Xiaomi Redmi Note 9 Samsung Galaxy Note20 Ultra 5G
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable Power adapter, SIM card removal tool, USB-C cable, S Pen, Earphones (USB Type-C) with sound by AKG
Compliant Standards TUV Rheinland Low Blue Light Certification VDE, IP68, HAC (Hearing Aid Compatible), SGS
Max Depth of Water Resistance - 1.5 m
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