Xiaomi POCO X3 NFC vs. LG K51S

Phone Comparison, Reviews and Tests

Side by side comparison and review of Xiaomi POCO X3 NFC and LG K51S. 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. LG K51S Comparison Chart
DESIGN AND DIMENSIONS Xiaomi POCO X3 NFC LG K51S
Product Type Smartphone Smartphone
Manufacturer Model Number - LM-K510EMW
Form Factor Touch Touch
Height 165.3 mm 165.2 mm Xiaomi POCO X3 NFC has greater height than LG K51S.
Width 76.8 mm 76.7 mm Xiaomi POCO X3 NFC has greater width than LG K51S.
Depth 9.4 mm 8.26 mm LG K51S is narrower than Xiaomi POCO X3 NFC.
Weight 215 g 194 g LG K51S is lighter than Xiaomi POCO X3 NFC.
Body Colour Cobalt blue | Shadow grey Pink | Titan
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) 1.335 W/kg (body), 0.501 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
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 LG K51S
Display Type - LCD display
Display Technology - IPS
Screen Size (Display Size) 6.67" 6.55" Xiaomi POCO X3 NFC has larger screen size than LG K51S.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 1600 x 720 pixels Xiaomi POCO X3 NFC has better screen resolution than LG K51S.
Display Format Full HD+ HD+
Pixel Density 395 ppi 268 ppi Xiaomi POCO X3 NFC has better pixel density than LG K51S.
Aspect Ratio 20:9 20:9
Max Brightness - 400 cd/m²
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 Reading mode, FullVision display, night mode, hole in display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Tempered glass
PROCESSOR Xiaomi POCO X3 NFC LG K51S
Processor Type (CPU) Qualcomm Snapdragon 732G MediaTek
Processor Number - MT6765
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 Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 618 IMG PowerVR GE8320
MEMORY Xiaomi POCO X3 NFC LG K51S
RAM LPDDR4X SDRAM - 6 GB 3 GB Xiaomi POCO X3 NFC has more RAM than LG K51S.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
User Memory - 50.2 GB
Memory Interface UFS 2.1 -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 2 TB
CAMERA Xiaomi POCO X3 NFC LG K51S
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 64 Megapixel 32 Megapixel Xiaomi POCO X3 NFC has better camera resolution than LG K51S.
Sensor Size 1/1.73" -
Sensor Name Sony Exmor RS IMX682 sensor -
Lens Aperture F/1.89 F/1.8 LG K51S has better lens aperture than Xiaomi POCO X3 NFC.
Field of View (FoV) - 76.3 degree(s)
Pixel Size 1.6 μm -
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) - 24 mm
Digital Zoom - 8x
Self-Timer Delay - Yes
Special Effects Kaleidoscope HDR
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 Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape
Face Recognition (Face ID) - Face detection LG K51S has face detection.
White Balance - Automatic
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 1920 x 1080 (1080p) at 30 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 Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology
SECOND CAMERA
Sensor Resolution (2nd Camera) 13 Megapixel 5 Megapixel Xiaomi POCO X3 NFC has better second camera resolution than LG K51S.
Lens Type (2nd Camera) Ultra wide-angle lens Super 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) 115 degree(s) Xiaomi POCO X3 NFC has larger second camera lens field of view than LG K51S.
Minimum Focal Length (2nd Camera) - 16 mm
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 2 Megapixel Both phones have the same third camera resolution.
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Field of View (3rd Camera) - 88.9 degree(s)
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 2 Megapixel Both phones have the same resolution of the fourth camera.
Lens Aperture (4th Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the fourth camera.
Field of View (4th Camera) - 88.6 degree(s)
Pixel Size (4th Camera) 1.75 μm -
Camera Functions (4th Camera) Depth camera Macro camera
Camera Features (4th Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 20 Megapixel 13 Megapixel Xiaomi POCO X3 NFC has better front camera resolution than LG K51S.
Lens Aperture (Front) F/2.2 -
Pixel Size (Front) 1.6 μm -
Special Effects (Front) HDR -
Camera Modes (Front) Selfie panorama, portrait mode, AI Beautify, Short video mode Gesture Shot, Selfie portrait
Face Recognition (Face ID) - Face detection LG K51S has face detection.
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 17 filters
BATTERY AND CHARGING Xiaomi POCO X3 NFC LG K51S
Battery Capacity (Battery Size) 5160 mAh 4000 mAh Xiaomi POCO X3 NFC has larger battery capacity than LG K51S.
Standby Time - 100 hours
Talk Time - 480 minutes
Run Time Details Playback (video): up to 17 hrs
Gaming: up to 10 hrs
Playback (Music): up to 153 hrs
Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology - Lithium Ion
CELLULAR Xiaomi POCO X3 NFC LG K51S
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 10 Android 9.0 Pie
User Interface POCO Launcher 2.0 (MIUI12) LG UX 9
Intelligent Assistant - Google Assistant
Payment Technology Google Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS Xiaomi POCO X3 NFC LG K51S
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 -
3G UMTS Frequency 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 3, Band 7, Band 8, Band 20, Band 38
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 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600
Wireless Interface Wi-Fi IEEE 802.11a/b/g/n
Bluetooth Bluetooth 5.1 Bluetooth 5.0 BLE
Bluetooth Profiles - HFP, HSP, OPP, PAN, SPP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, MAP, GATT, HDP, HOGP, ScPP
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi POCO X3 NFC LG K51S
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), M4A, DSF, AWB WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4
Sound Enhancements Hi-Res audio DTS: X 3D Surround Sound
FEATURES Xiaomi POCO X3 NFC LG K51S
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, digital compass
Security Devices Face recognition, fingerprint reader (side) 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 DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button
OTHERS Xiaomi POCO X3 NFC LG K51S
Included Accessories SIM card removal tool, USB-C cable, 33W charger, anti-bacterial case, anti-bacterial screen protector Power adapter, SIM card removal tool, USB-C cable
Compliant Standards IP53, TUV Rheinland Low Blue Light Certification MIL-STD 810G
Other projects: