In depth comparison and review of Samsung Galaxy S20 Ultra 5G and Xiaomi Redmi Note 9. 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G988B/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 166.9 mm | 162.3 mm | Samsung Galaxy S20 Ultra 5G has greater height than Xiaomi Redmi Note 9. |
| Width | 76 mm | 77.2 mm | Xiaomi Redmi Note 9 has greater width than Samsung Galaxy S20 Ultra 5G. |
| Depth | 8.8 mm | 8.9 mm | Samsung Galaxy S20 Ultra 5G is narrower than Samsung Galaxy S20 Ultra 5G. |
| Weight | 220 g | 199 g | Xiaomi Redmi Note 9 is lighter than Samsung Galaxy S20 Ultra 5G. |
| Body Colour | Cosmic black | Cosmic grey | Cloud white | Forest green | |
| Protection | Dustproof, splashproof, water-resistant | Splashproof | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S20 Ultra 5G is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.557 W/kg (body), 0.66 W/kg (head) | 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) | |
| Integrated Components | - | Ultra-linear speaker | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | - | |
| Screen Size (Display Size) | 6.9" | 6.53" | Samsung Galaxy S20 Ultra 5G has larger screen size than Xiaomi Redmi Note 9. |
| Screen Resolution (Display Resolution) | 3200 x 1440 pixels | 2340 x 1080 pixels | Samsung Galaxy S20 Ultra 5G has better screen resolution than Xiaomi Redmi Note 9. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 511 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 S20 Ultra 5G has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Refresh Rate | 120 Hz | - | |
| Display Features | Edge Screen, DCI-P3 Wide colour gamut, AOD(Always On Display), Edge Lighting | Reading mode 2.0, Dot Display, Full Screen gestures | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| Processor Type (CPU) | Samsung Exynos 990 | MediaTek Helio G85 | |
|---|---|---|---|
| Clock Speed | 2.73 GHz | 2 GHz | Samsung Galaxy S20 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 S20 Ultra 5G has 64-bit architecture. |
| Graphics System (GPU) | - | ARM G52 MC2 |
| MEMORY | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| RAM | LPDDR5 SDRAM - 12 GB | 3 GB | Samsung Galaxy S20 Ultra 5G has more RAM than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy S20 Ultra 5G has more internal memory than Xiaomi Redmi Note 9. |
| User Memory | 104 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | microSD |
| CAMERA | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 108 Megapixel | 48 Megapixel | Samsung Galaxy S20 Ultra 5G has better camera resolution than Xiaomi Redmi Note 9. |
| Sensor Size | 1/1.33" | 1/2" | Xiaomi Redmi Note 9 has better camera sensor size than Samsung Galaxy S20 Ultra 5G. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | F/1.79 | Xiaomi Redmi Note 9 has better lens aperture than Samsung Galaxy S20 Ultra 5G. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 79 degree(s) | 79.4 degree(s) | Xiaomi Redmi Note 9 has larger lens field of view than Samsung Galaxy S20 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 S20 Ultra 5G has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Optical Zoom | 10x | - | |
| Digital Zoom | 100x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR, Bokeh effect, Grid Line, Motion photos, video bokeh effect | HDR, Kaleidoscope | |
| Camera Modes | 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 | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | High CRI LED flash | Flash | |
| Video Resolutions | 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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | 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 | 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 |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy S20 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 | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | 120 degree(s) | 118 degree(s) | Samsung Galaxy S20 Ultra 5G has larger second camera lens field of view than Xiaomi Redmi Note 9. |
| Pixel Size (2nd Camera) | 1.4 μm | 1.2 μm | Samsung Galaxy S20 Ultra 5G has larger second camera pixel size than Xiaomi Redmi Note 9. |
| Camera Features (2nd Camera) | - | 5-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 48 Megapixels | 2 Megapixel | Samsung Galaxy S20 Ultra 5G has higher resolution third camera than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/3.5 | F/2.4 | Xiaomi Redmi Note 9 has better third camera lens aperture than Samsung Galaxy S20 Ultra 5G. |
| Field of View (3rd Camera) | 24 degree(s) | - | |
| Pixel Size (3rd Camera) | 0.8 μm | 1.75 μm | Xiaomi Redmi Note 9 has larger third camera pixel size than Samsung Galaxy S20 Ultra 5G. |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | AF (2cm-10cm) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 0.3 Megapixel | 2 Megapixel | Xiaomi Redmi Note 9 has higher resolution fourth camera than Samsung Galaxy S20 Ultra 5G. |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Aperture (4th Camera) | F/1.0 | F/2.4 | Samsung Galaxy S20 Ultra 5G has better fourth camera lens aperture than Samsung Galaxy S20 Ultra 5G. |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | DepthVision camera | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 40 Megapixels | 13 Megapixel | Samsung Galaxy S20 Ultra 5G has better front camera resolution than Xiaomi Redmi Note 9. |
| Sensor Size (Front) | - | 1/3.06" | |
| Lens Aperture (Front) | F/2.2 | F/2.25 | Samsung Galaxy S20 Ultra 5G has better front lens aperture than Samsung Galaxy S20 Ultra 5G. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | 80 degree(s) | 74 degree(s) | Samsung Galaxy S20 Ultra 5G has larger front lens field of view than Xiaomi Redmi Note 9. |
| Pixel Size (Front) | 0.7 μm | 1.12 μm | Xiaomi Redmi Note 9 has larger front camera pixel size than Samsung Galaxy S20 Ultra 5G. |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Panoramic selfies, AI portrait mode, AI Beautify | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9 has face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | Phase Detect Auto-Focus (PDAF) | Palm shutter, AI silhouette detection |
| BATTERY AND CHARGING | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5020 mAh | Xiaomi Redmi Note 9 has larger battery capacity than Samsung Galaxy S20 Ultra 5G. |
|---|---|---|---|
| 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 | 1980 minutes | Xiaomi Redmi Note 9 has longer battery life when making calls than Samsung Galaxy S20 Ultra 5G. |
| 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 |
Talk: up to 1980 min Gaming: up to 16 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
|
| Battery Technology | - | Lithium polymer |
| CELLULAR | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy S20 Ultra 5G has more advanced generation mobile network. |
| Operating System | Android 10 | - | |
| User Interface | Samsung One UI 2 | - | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 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 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 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 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, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | Samsung Galaxy S20 Ultra 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| Supported Digital Audio Standards | 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 | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, XviD, M4V, MP4 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | - | |
| Audio Amplifier | - | Smart PA |
| FEATURES | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| 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, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Face recognition, fingerprint reader | |
| Additional Phone Features | 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 | Infrared remote control, HyperEngine technology |
| OTHERS | Samsung Galaxy S20 Ultra 5G | Xiaomi Redmi Note 9 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, headset (tuned by AKG), clear cover case, protective film | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, SGS | TUV Rheinland Low Blue Light Certification | |
| Max Depth of Water Resistance | 1.5 m | - |
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