In depth comparison and review of Samsung Galaxy S20 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 | Xiaomi Redmi Note 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G980F/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 151.7 mm | 162.3 mm | Xiaomi Redmi Note 9 has greater height than Samsung Galaxy S20. |
| Width | 69.1 mm | 77.2 mm | Xiaomi Redmi Note 9 has greater width than Samsung Galaxy S20. |
| Depth | 7.9 mm | 8.9 mm | Samsung Galaxy S20 is narrower than Samsung Galaxy S20. |
| Weight | 163 g | 199 g | Samsung Galaxy S20 is lighter than Samsung Galaxy S20. |
| Body Colour | Pink | Cosmic grey | Cloud blue | Pink cloud | Cloud white | Forest green | |
| Protection | Dustproof, splashproof, water-resistant | Splashproof | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S20 is waterproof. |
| IP rating | IP68 | - | |
| Repairability Index | 5.7 (out of 10) | - | |
| SAR Value | 1.525 W/kg (body), 0.279 W/kg (head) | 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) | |
| Integrated Components | Heart rate sensor | 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 | Xiaomi Redmi Note 9 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | - | |
| Screen Size (Display Size) | 6.2" | 6.53" | Xiaomi Redmi Note 9 has larger screen size than Samsung Galaxy S20. |
| Screen Resolution (Display Resolution) | 3200 x 1440 pixels | 2340 x 1080 pixels | Samsung Galaxy S20 has better screen resolution than Xiaomi Redmi Note 9. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 563 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 has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Refresh Rate | 120 Hz | - | |
| Display Features | Edge Screen, DCI-P3 Wide colour gamut, AOD(Always On Display) | Reading mode 2.0, Dot Display, Full Screen gestures | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy S20 | Xiaomi Redmi Note 9 |
|---|
| Processor Type (CPU) | Samsung Exynos 990 | MediaTek Helio G85 | |
|---|---|---|---|
| Clock Speed | 2.73 GHz | 2 GHz | Samsung Galaxy S20 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 has 64-bit architecture. |
| Graphics System (GPU) | - | ARM G52 MC2 |
| MEMORY | Samsung Galaxy S20 | Xiaomi Redmi Note 9 |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | 3 GB | Samsung Galaxy S20 has more RAM than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy S20 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 | Xiaomi Redmi Note 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 48 Megapixel | Samsung Galaxy S20 has better camera resolution than Xiaomi Redmi Note 9. |
| Sensor Size | - | 1/2" | |
| Lens Type | Telephoto lens | - | |
| Lens Aperture | F/2.0 | F/1.79 | Xiaomi Redmi Note 9 has better lens aperture than Samsung Galaxy S20. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 76 degree(s) | 79.4 degree(s) | Xiaomi Redmi Note 9 has larger lens field of view than Samsung Galaxy S20. |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S20 has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR, Grid Line, Motion photos | HDR, Kaleidoscope | |
| HDR Mode | HDR+ | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video | 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), Tracking AF, Video location tags, 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, 3x Hybrid Zoom | 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 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 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 has larger second camera pixel size than Xiaomi Redmi Note 9. |
| Camera Features (2nd Camera) | Dual Pixel AF, OIS (Optical Image Stabilisation) | 5-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | 2 Megapixel | Samsung Galaxy S20 has higher resolution third camera than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/1.76" | - | |
| Lens Type (3rd Camera) | Wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/1.8 | F/2.4 | Samsung Galaxy S20 has better third camera lens aperture than Samsung Galaxy S20. |
| Field of View (3rd Camera) | 79 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.8 μm | 1.75 μm | Samsung Galaxy S20 has larger third camera pixel size than Xiaomi Redmi Note 9. |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | Dual Pixel AF | 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) | 10 Megapixel | 13 Megapixel | Xiaomi Redmi Note 9 has better front camera resolution than Samsung Galaxy S20. |
| Sensor Size (Front) | - | 1/3.06" | |
| Lens Aperture (Front) | F/2.2 | F/2.25 | Samsung Galaxy S20 has better front lens aperture than Samsung Galaxy S20. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | 80 degree(s) | 74 degree(s) | Samsung Galaxy S20 has larger front lens field of view than Xiaomi Redmi Note 9. |
| Pixel Size (Front) | 1.22 μm | 1.12 μm | Samsung Galaxy S20 has larger front camera pixel size than Xiaomi Redmi Note 9. |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Live Focus mode, AR Emoji, Live focus video | 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) | Dual Pixel AF | Palm shutter, AI silhouette detection |
| BATTERY AND CHARGING | Samsung Galaxy S20 | Xiaomi Redmi Note 9 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5020 mAh | Xiaomi Redmi Note 9 has larger battery capacity than Samsung Galaxy S20. |
|---|---|---|---|
| Fast Charging Technology | Samsung Super Fast Charging 2.0 | - | Samsung Galaxy S20 has fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy S20 can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Talk Time | 1200 minutes | 1980 minutes | Xiaomi Redmi Note 9 has longer battery life when making calls than Samsung Galaxy S20. |
| Run Time Details | Talk: up to 1200 min Active online usage: up to 15 hrs Playback (video): up to 18 hrs Playback (audio): up to 64 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 | Xiaomi Redmi Note 9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| 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 | Xiaomi Redmi Note 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | 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 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, 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 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy S20 | Xiaomi Redmi Note 9 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, 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, Acoustic Overload Point, stereo speakers tuned by AKG, Dolby Digital sound, Qualcomm TrueWireless, Qualcomm Broadcast Audio, Qualcomm Aqstic audio, Qualcomm aptX audio | - | |
| Audio Amplifier | - | Smart PA |
| FEATURES | Samsung Galaxy S20 | 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 | HD Voice, Multi Window, Smart Select, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Smart View, Live message, Samsung DeX support, Bixby Vision, Neural Network Processing Unit, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung KNOX 3.3 | Infrared remote control, HyperEngine technology |
| OTHERS | Samsung Galaxy S20 | Xiaomi Redmi Note 9 |
|---|
| Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, HAC (Hearing Aid Compatible), SGS | TUV Rheinland Low Blue Light Certification |
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