Sony XPERIA X Compact vs. LG K51S

Phone Comparison, Reviews and Tests

In depth comparison and review of Sony XPERIA X Compact and LG K51S. 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.

Phone Specifications Comparison

Sony XPERIA X Compact vs. LG K51S Comparison Chart
DESIGN AND DIMENSIONS Sony XPERIA X Compact LG K51S
Product Type Smartphone Smartphone
Manufacturer Model Number F5321 LM-K510EMW
Form Factor Touch Touch
Height 129 mm 165.2 mm LG K51S has greater height than Sony XPERIA X Compact.
Width 65 mm 76.7 mm LG K51S has greater width than Sony XPERIA X Compact.
Depth 9.5 mm 8.26 mm LG K51S is narrower than Sony XPERIA X Compact.
Weight 135 g 194 g Sony XPERIA X Compact is lighter than Sony XPERIA X Compact.
Body Colour White | Blue mist | Universe black Pink | Titan
Waterproof (Water-resistant) - -
SAR Value 1.25 W/kg (body), 1.08 W/kg (head) 1.335 W/kg (body), 0.501 W/kg (head)
Integrated Components FM radio -
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Sony XPERIA X Compact LG K51S
Display Type LCD display LCD display
Display Technology IPS IPS
Screen Size (Display Size) 4.6" 6.55" LG K51S has larger screen size than Sony XPERIA X Compact.
Screen Resolution (Display Resolution) 1280 x 720 pixels 1600 x 720 pixels LG K51S has better screen resolution than Sony XPERIA X Compact.
Display Format HD HD+
Pixel Density - 268 ppi
Aspect Ratio - 20:9
Max Brightness - 400 cd/m²
Colour Depth 16.7 million colours -
Display Enhancement Technology Super Vivid mode, Dynamic Contrast Enhancement -
Display Features 2.5D curved glass Reading mode, FullVision display, night mode, hole in display
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Tempered glass
PROCESSOR Sony XPERIA X Compact LG K51S
Processor Type (CPU) Qualcomm MediaTek
Processor Number MSM8956 MT6765
Clock Speed - 2.3 GHz
Processor Core Qty 6-core 8-core LG K51S has higher processor core quantity than Sony XPERIA X Compact.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 510 IMG PowerVR GE8320
MEMORY Sony XPERIA X Compact LG K51S
RAM 3 GB 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 64 GB LG K51S has more internal memory than Sony XPERIA X Compact.
User Memory 20 GB 50.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 2 TB
CAMERA Sony XPERIA X Compact LG K51S
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 23 Megapixel 32 Megapixel LG K51S has better camera resolution than Sony XPERIA X Compact.
Sensor Name Sony Exmor RS sensor -
Lens Aperture F/2.0 F/1.8 LG K51S has better lens aperture than Sony XPERIA X Compact.
Field of View (FoV) - 76.3 degree(s)
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) 120 mm 24 mm
Digital Zoom 8x 8x Both phones have the same digital zoom.
Self-Timer Delay - Yes
Special Effects HDR, Night Scene HDR
HDR Mode Auto HDR mode -
Camera Modes Red-Eye Reduction, Sweep Panorama, AR Effect mode, SteadyShot, manual mode, Intelligent Active Mode, Timeshift video, Style Portrait Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape
Face Recognition (Face ID) Smile shutter Face detection Both phones have face detection.
White Balance - Automatic
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Quick Launch, Superior Auto, Object tracking, G lens, Scene recognition, BIONZ image processing engine, Sound Photo, Touch Capture, Hand Shutter, Triple sensing technology, Stereo Audio Recording, Predictive Hybrid Autofocus Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Type (2nd Camera) - Super wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 115 degree(s)
Minimum Focal Length (2nd Camera) - 16 mm
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 88.9 degree(s)
Camera Functions (3rd Camera) - Depth camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Field of View (4th Camera) - 88.6 degree(s)
Camera Functions (4th Camera) - Macro camera
Camera Features (4th Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 13 Megapixel LG K51S has better front camera resolution than Sony XPERIA X Compact.
Sensor Name (Front) Sony Exmor RS sensor -
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 -
Camera Modes (Front) - Gesture Shot, Selfie portrait
Face Recognition (Face ID) - Face detection LG K51S has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) G lens 17 filters
BATTERY AND CHARGING Sony XPERIA X Compact LG K51S
Battery Capacity (Battery Size) 2700 mAh 4000 mAh LG K51S has larger battery capacity than Sony XPERIA X Compact.
Standby Time 750 hours 100 hours Sony XPERIA X Compact has longer standby time than LG K51S.
Talk Time 846 minutes 480 minutes Sony XPERIA X Compact has longer battery life when making calls than LG K51S.
Run Time Details Talk (GSM): up to 660 min
Standby (GSM): up to 710 hrs
Talk (WCDMA): up to 846 min
Standby (WCDMA): up to 750 hrs
Standby (LTE): up to 670 hrs
Playback (Music): up to 65 hrs
Playback (video): up to 10.8 hrs
Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology - Lithium Ion
CELLULAR Sony XPERIA X Compact 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 6.0.1 (Marshmallow) Android 9.0 Pie
User Interface - LG UX 9
Intelligent Assistant - Google Assistant
Navigation A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS Sony XPERIA X Compact LG K51S
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, 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 700a, FDD 700b, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 5.0 BLE
Bluetooth Profiles HFP, HSP, OPP, PAN, SPP, GAP, A2DP, AVRCP, HID, GAVDP, PBAP, MAP, DIP, GATT, HOGP 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.
WLAN Security WEP, WPA, WPA2, TKIP, AES, EAP SIM, EAP-TTLS/MSCHAPv2, EAP-AKA, EAP-TLS, PEAPv0/EAP-MSCHAPv2, PEAPv1/EAP-GTC -
Messaging Services Google+ Hangouts, SMS, MMS SMS, MMS
MEDIA Sony XPERIA X Compact LG K51S
Supported Digital Audio Standards WAV, WMA, AAC, AIFF, ASF, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, eAAC+, MKA, MIDI, M4A, apt-X, DSF, DSDIFF, DSD, LDAC, MXMF, AWB, IMY, RTTTL, RTX, OTA, ALAC, OPUS WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, AVI, XviD, MPEG-4, MPEG-2, 3GP, H.264, H.263, M4V, TS, WebM, VP8, 3GP2, H.265 MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4
Sound Enhancements 3D surround sound (VPT) DTS: X 3D Surround Sound
FEATURES Sony XPERIA X Compact LG K51S
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, magnetometer, gyro sensor, Time of Flight (ToF), geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Fingerprint reader Fingerprint reader
Additional Phone Features TTY compatible, Radio Data Service (RDS), DLNA Certified, Text-to-Speech (text recognition), sharing media via DLNA, Screen capture, intelligent typing (SWIFTKEY), Wi-Fi Miracast, battery STAMINA mode, Glove mode, TRILUMINOS display, X-Reality engine, Clear Audio+, Clear Bass, Dynamic normaliser, Digital Noise Cancelling (DNC), Hi-Res Audio, Low power audio playback, Smart backlight control, Wi-Fi Passpoint, S-Force Front surround, Read Mode, Alarm Clock, PS4 Remote Play, Noise suppression, Smart cleaner, Qnovo Adaptive Charging DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button
OTHERS Sony XPERIA X Compact LG K51S
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards HAC (Hearing Aid Compatible) MIL-STD 810G
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