Xiaomi POCO X3 NFC vs. Samsung Galaxy M31s

Phone Comparison, Reviews and Tests

Side by side comparison and review of Xiaomi POCO X3 NFC and Samsung Galaxy M31s. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Xiaomi POCO X3 NFC vs. Samsung Galaxy M31s Comparison Chart
DESIGN AND DIMENSIONS Xiaomi POCO X3 NFC Samsung Galaxy M31s
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-M317F/DSN
Form Factor Touch Touch
Height 165.3 mm 159.3 mm Xiaomi POCO X3 NFC has greater height than Samsung Galaxy M31s.
Width 76.8 mm 74.4 mm Xiaomi POCO X3 NFC has greater width than Samsung Galaxy M31s.
Depth 9.4 mm 9.3 mm Samsung Galaxy M31s is narrower than Xiaomi POCO X3 NFC.
Weight 215 g 203 g Samsung Galaxy M31s is lighter than Xiaomi POCO X3 NFC.
Body Colour Cobalt blue | Shadow grey Black
Protection Splashproof -
Waterproof (Water-resistant) - -
IP rating IP53 -
SAR Value 0.558 W/kg (head), 0.986 W/kg (body), 1.997 W/kg (limb) 1.365 W/kg (body), 0.756 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Xiaomi POCO X3 NFC Samsung Galaxy M31s
Display Type - OLED display
Display Technology - Super AMOLED
Screen Size (Display Size) 6.67" 6.5" Xiaomi POCO X3 NFC has larger screen size than Samsung Galaxy M31s.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2400 x 1080 pixels Both phones have the same screen resolution.
Display Format Full HD+ Full HD+
Pixel Density 395 ppi -
Aspect Ratio 20:9 -
Colour Depth - 16.7 million colours
Contrast Ratio 1500:1 -
HDR Yes - Xiaomi POCO X3 NFC has HDR.
HDR Technology HDR10 -
Display Refresh Rate 120 Hz -
Touch Sampling Rate 240 Hz -
Display Features Dark mode, Dot Display Night mode, Edge-to-Edge screen, Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi POCO X3 NFC Samsung Galaxy M31s
Processor Type (CPU) Qualcomm Snapdragon 732G -
Clock Speed 2.3 GHz 2.3 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi POCO X3 NFC has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 618 -
MEMORY Xiaomi POCO X3 NFC Samsung Galaxy M31s
RAM LPDDR4X SDRAM - 6 GB 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy M31s has more internal memory than Xiaomi POCO X3 NFC.
User Memory - 106.5 GB
Memory Interface UFS 2.1 -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSD, microSDXC - up to 512 GB
CAMERA Xiaomi POCO X3 NFC Samsung Galaxy M31s
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 64 Megapixel 64 Megapixel Both phones have the same camera resolution.
Sensor Size 1/1.73" -
Sensor Name Sony Exmor RS IMX682 sensor -
Lens Aperture F/1.89 F/1.8 Samsung Galaxy M31s has better lens aperture than Xiaomi POCO X3 NFC.
Field of View (FoV) - 81 degree(s)
Pixel Size 1.6 μm -
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
Special Effects Kaleidoscope -
Camera Modes 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 Slow motion video, Bokeh Mode, Live Focus mode
Light Source LED flash LED flash
Video Resolutions 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 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 480 fps
Camera Features (Functions) 4-in-1 Super Pixel, AI scene detection, AI Quad camera, Support LOG format, 6 long exposure modes, AI dynamic studio Background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 13 Megapixel 12 Megapixel Xiaomi POCO X3 NFC has better second camera resolution than Samsung Galaxy M31s.
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) 119 degree(s) 123 degree(s) Samsung Galaxy M31s has larger second camera lens field of view than Xiaomi POCO X3 NFC.
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 5 Megapixel Samsung Galaxy M31s has higher resolution third camera than Xiaomi POCO X3 NFC.
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Pixel Size (3rd Camera) 1.75 μm -
Camera Functions (3rd Camera) Macro camera Depth camera
Camera Features (3rd Camera) FF (4cm) -
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel 5 Megapixel Samsung Galaxy M31s has higher resolution fourth camera than Xiaomi POCO X3 NFC.
Lens Aperture (4th Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the fourth camera.
Pixel Size (4th Camera) 1.75 μm -
Camera Functions (4th Camera) Depth camera Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 20 Megapixel 32 Megapixel Samsung Galaxy M31s 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.
Pixel Size (Front) 1.6 μm -
Focus Adjustment - Focus free
Special Effects (Front) HDR -
Camera Modes (Front) Selfie panorama, portrait mode, AI Beautify, Short video mode -
Light Source (Front) Display flash -
Camera Features (Front) Self-timer, 4-in-1 Super Pixel technology, AI scene detection, AI studio lighting, Palm shutter, full screen frame, Short video filter Live Focus
BATTERY AND CHARGING Xiaomi POCO X3 NFC Samsung Galaxy M31s
Battery Capacity (Battery Size) 5160 mAh 6000 mAh Samsung Galaxy M31s has larger battery capacity than Xiaomi POCO X3 NFC.
Fast Charging Technology - Samsung Super Fast Charging Samsung Galaxy M31s has fast charging technology.
Talk Time - 3060 minutes
Run Time Details Playback (video): up to 17 hrs
Gaming: up to 10 hrs
Playback (Music): up to 153 hrs
Active online usage (LTE): up to 22 hrs
Active online usage (Wi-Fi): up to 22 hrs
Playback (video): up to 27 hrs
Playback (audio): up to 125 hrs
Talk (4G): up to 3060 min
CELLULAR Xiaomi POCO X3 NFC Samsung Galaxy M31s
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 POCO Launcher 2.0 (MIUI12) One UI
Payment Technology Google Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi POCO X3 NFC Samsung Galaxy M31s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE 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 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 17, Band 20, Band 26, Band 28, Band 38, 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 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface Wi-Fi IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.1 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi POCO X3 NFC Samsung Galaxy M31s
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), M4A, DSF, AWB WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Hi-Res audio -
FEATURES Xiaomi POCO X3 NFC Samsung Galaxy M31s
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 Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader (side) Face recognition, fingerprint reader
Additional Phone Features 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 Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Light Sensing
OTHERS Xiaomi POCO X3 NFC Samsung Galaxy M31s
Included Accessories SIM card removal tool, USB-C cable, 33W charger, anti-bacterial case, anti-bacterial screen protector Power adapter
Compliant Standards IP53, TUV Rheinland Low Blue Light Certification -
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