Detailed comparison and review of Samsung Galaxy S20 Ultra 5G and Xiaomi POCO X3 NFC. 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G988B/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 166.9 mm | 165.3 mm | Samsung Galaxy S20 Ultra 5G has greater height than Xiaomi POCO X3 NFC. |
| Width | 76 mm | 76.8 mm | Xiaomi POCO X3 NFC has greater width than Samsung Galaxy S20 Ultra 5G. |
| Depth | 8.8 mm | 9.4 mm | Samsung Galaxy S20 Ultra 5G is narrower than Samsung Galaxy S20 Ultra 5G. |
| Weight | 220 g | 215 g | Xiaomi POCO X3 NFC is lighter than Samsung Galaxy S20 Ultra 5G. |
| Body Colour | Cosmic black | Cosmic grey | Cloud white | Cobalt blue | Shadow grey | |
| Protection | Dustproof, splashproof, water-resistant | Splashproof | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S20 Ultra 5G is waterproof. |
| IP rating | IP68 | IP53 | |
| SAR Value | 1.557 W/kg (body), 0.66 W/kg (head) | 0.558 W/kg (head), 0.986 W/kg (body), 1.997 W/kg (limb) | |
| 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 POCO X3 NFC |
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| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | - | |
| Screen Size (Display Size) | 6.9" | 6.67" | Samsung Galaxy S20 Ultra 5G has larger screen size than Xiaomi POCO X3 NFC. |
| Screen Resolution (Display Resolution) | 3200 x 1440 pixels | 2400 x 1080 pixels | Samsung Galaxy S20 Ultra 5G has better screen resolution than Xiaomi POCO X3 NFC. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 511 ppi | 395 ppi | Samsung Galaxy S20 Ultra 5G has better pixel density than Xiaomi POCO X3 NFC. |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | HDR10 | |
| Display Refresh Rate | 120 Hz | 120 Hz | Both phones have the same refresh rate. |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | Edge Screen, DCI-P3 Wide colour gamut, AOD(Always On Display), Edge Lighting | Dark mode, Dot Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
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| Processor Type (CPU) | Samsung Exynos 990 | Qualcomm Snapdragon 732G | |
|---|---|---|---|
| Clock Speed | 2.73 GHz | 2.3 GHz | Samsung Galaxy S20 Ultra 5G has higher clock speed than Xiaomi POCO X3 NFC. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 618 |
| MEMORY | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
|---|
| RAM | LPDDR5 SDRAM - 12 GB | LPDDR4X SDRAM - 6 GB | Samsung Galaxy S20 Ultra 5G has more RAM than Xiaomi POCO X3 NFC. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy S20 Ultra 5G has more internal memory than Xiaomi POCO X3 NFC. |
| User Memory | 104 GB | - | |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
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| MAIN CAMERA |
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| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 108 Megapixel | 64 Megapixel | Samsung Galaxy S20 Ultra 5G has better camera resolution than Xiaomi POCO X3 NFC. |
| Sensor Size | 1/1.33" | 1/1.73" | Xiaomi POCO X3 NFC has better camera sensor size than Samsung Galaxy S20 Ultra 5G. |
| Sensor Name | - | Sony Exmor RS IMX682 sensor | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | F/1.89 | Samsung Galaxy S20 Ultra 5G has better lens aperture than Samsung Galaxy S20 Ultra 5G. |
| Field of View (FoV) | 79 degree(s) | - | |
| Pixel Size | 0.8 μm | 1.6 μm | Xiaomi POCO X3 NFC has larger camera pixel size than Samsung Galaxy S20 Ultra 5G. |
| 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 | 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 | Pro mode, night mode, SteadyShot, AI portrait mode, AI Beautify, Pro Video mode, Macro video, Movie frame, photo filters, AI SkyScaping 3.0, AI photo clones, Timed burst, Document mode 2.0 | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy S20 Ultra 5G has face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | High CRI LED flash | LED 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 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 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, AI Quad camera, Support LOG format, 6 long exposure modes, AI dynamic studio |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 13 Megapixel | Xiaomi POCO X3 NFC has better second camera resolution than Samsung Galaxy S20 Ultra 5G. |
|---|---|---|---|
| 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. |
| Field of View (2nd Camera) | 120 degree(s) | 119 degree(s) | Samsung Galaxy S20 Ultra 5G has larger second camera lens field of view than Xiaomi POCO X3 NFC. |
| Pixel Size (2nd Camera) | 1.4 μm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 48 Megapixels | 2 Megapixel | Samsung Galaxy S20 Ultra 5G has higher resolution third camera than Xiaomi POCO X3 NFC. |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/3.5 | F/2.4 | Xiaomi POCO X3 NFC 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 POCO X3 NFC has larger third camera pixel size than Samsung Galaxy S20 Ultra 5G. |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | FF (4cm) |
| FOURTH CAMERA |
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| Sensor Resolution (4th Camera) | 0.3 Megapixel | 2 Megapixel | Xiaomi POCO X3 NFC has higher resolution fourth camera than Samsung Galaxy S20 Ultra 5G. |
|---|---|---|---|
| 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. |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | DepthVision camera | Depth camera |
| FRONT CAMERA |
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| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 40 Megapixels | 20 Megapixel | Samsung Galaxy S20 Ultra 5G has better front camera resolution than Xiaomi POCO X3 NFC. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Field of View (Front) | 80 degree(s) | - | |
| Pixel Size (Front) | 0.7 μm | 1.6 μm | Xiaomi POCO X3 NFC has larger front camera pixel size than Samsung Galaxy S20 Ultra 5G. |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Selfie panorama, portrait mode, AI Beautify, Short video mode | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | Phase Detect Auto-Focus (PDAF) | Self-timer, 4-in-1 Super Pixel technology, AI scene detection, AI studio lighting, Palm shutter, full screen frame, Short video filter |
| BATTERY AND CHARGING | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5160 mAh | Xiaomi POCO X3 NFC 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 | - | |
| 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 |
Playback (video): up to 17 hrs Gaming: up to 10 hrs Playback (Music): up to 153 hrs |
| CELLULAR | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
|---|
| 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 | Android 10 | |
| User Interface | Samsung One UI 2 | POCO Launcher 2.0 (MIUI12) | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | Google Pay | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
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| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 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 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 | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
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| 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, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), M4A, DSF, AWB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | Hi-Res audio |
| FEATURES | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
|---|
| 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 | |
| Security Devices | Fingerprint reader (under display), face recognition | Face recognition, fingerprint reader (side) | |
| 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, MIMO technology, AI face unlock, Google Lens, linear motor, Qualcomm 4th generation AI Engine, LiquidCool Technology 1.0 Plus, GAME Turbo 3.0 |
| OTHERS | Samsung Galaxy S20 Ultra 5G | Xiaomi POCO X3 NFC |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, headset (tuned by AKG), clear cover case, protective film | SIM card removal tool, USB-C cable, 33W charger, anti-bacterial case, anti-bacterial screen protector | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, SGS | IP53, TUV Rheinland Low Blue Light Certification | |
| Max Depth of Water Resistance | 1.5 m | - |
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