Sony XPERIA X vs. LG K51S

Phone Comparison, Reviews and Tests

Side by side comparison and review of Sony XPERIA X 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

Sony XPERIA X vs. LG K51S Comparison Chart
DESIGN AND DIMENSIONS Sony XPERIA X LG K51S
Product Type Smartphone Smartphone
Manufacturer Model Number F5121 LM-K510EMW
Form Factor Touch Touch
Height 143 mm 165.2 mm LG K51S has greater height than Sony XPERIA X.
Width 69 mm 76.7 mm LG K51S has greater width than Sony XPERIA X.
Depth 7.7 mm 8.26 mm Sony XPERIA X is narrower than Sony XPERIA X.
Weight 152 g 194 g Sony XPERIA X is lighter than Sony XPERIA X.
Body Colour White | Lime gold | Rose gold | Graphite black Pink | Titan
Waterproof (Water-resistant) - -
SAR Value 1.23 W/kg (body), 0.72 W/kg (head) 1.335 W/kg (body), 0.501 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
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
DISPLAY Sony XPERIA X LG K51S
Display Type LCD display LCD display
Display Technology IPS IPS
Screen Size (Display Size) 5" 6.55" LG K51S has larger screen size than Sony XPERIA X.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1600 x 720 pixels Sony XPERIA X has better screen resolution than LG K51S.
Display Format Full 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 -
Display Features Curve edge Reading mode, FullVision display, night mode, hole in display
Display Protection (Screen Protector) Scratch-resistant glass Tempered glass
PROCESSOR Sony XPERIA X LG K51S
Processor Type (CPU) Qualcomm MediaTek
Processor Number MSM8956 MT6765
Clock Speed 1.8 GHz 2.3 GHz LG K51S has higher clock speed than Sony XPERIA X.
Processor Core Qty 6-core 8-core LG K51S has higher processor core quantity than Sony XPERIA X.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 510 IMG PowerVR GE8320
MEMORY Sony XPERIA X 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.
User Memory 20 GB 50.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 200 GB microSDHC, microSDXC - up to 2 TB
CAMERA Sony XPERIA X 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.
Sensor Name Sony Exmor RS sensor -
Lens Type Wide-angle lens -
Lens Aperture F/2.0 F/1.8 LG K51S has better lens aperture than Sony XPERIA X.
Field of View (FoV) - 76.3 degree(s)
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) 24 mm 24 mm
Digital Zoom 8x 8x Both phones have the same digital zoom.
Self-Timer Delay - Yes
Special Effects Night Scene, Creative effect HDR
HDR Mode Auto HDR mode -
Camera Modes Red-Eye Reduction, Sweep Panorama, AR Effect mode, SteadyShot, Timeshift video Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape
Face Recognition (Face ID) Smile shutter, Face in Picture 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, Sound Photo, Hybrid Auto focus, Sticker Creator 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) 13 Megapixel 13 Megapixel Both phones have the same front camera resolution.
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) - 17 filters
BATTERY AND CHARGING Sony XPERIA X LG K51S
Battery Capacity (Battery Size) 2620 mAh 4000 mAh LG K51S has larger battery capacity than Sony XPERIA X.
Standby Time 600 hours 100 hours Sony XPERIA X has longer standby time than LG K51S.
Talk Time 840 minutes 480 minutes Sony XPERIA X has longer battery life when making calls than LG K51S.
Run Time Details Talk (GSM): up to 600 min
Standby (GSM): up to 580 hrs
Talk (WCDMA): up to 840 min
Standby (WCDMA): up to 600 hrs
Standby (LTE): up to 540 hrs
Playback (Music): up to 64 hrs
Playback (video): up to 10 hrs
Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology - Lithium Ion
CELLULAR Sony XPERIA X 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 GPS, A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS Sony XPERIA X 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 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 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 SMS, MMS SMS, MMS
MEDIA Sony XPERIA X LG K51S
Supported Digital Audio Standards WAV, WMA, AAC, AIFF, ASF, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, M4A, apt-X, MXMF, AWB, IMY, RTTTL, RTX, OTA, MP4, ALAC, OPUS WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, AVI, XviD, MPEG-4, 3GP, H.264, H.263, M4V, WebM, VP8, VP9, H.265 MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4
Sound Enhancements Digital Sound Enhancement Engine (DSEE HX), 3D surround sound (VPT) DTS: X 3D Surround Sound
FEATURES Sony XPERIA X 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, pedometer, digital compass, barometer, magnetometer, gyro sensor, motion sensor, 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 (Gesture), Wi-Fi Miracast, battery STAMINA mode, Glove mode, TRILUMINOS display, X-Reality engine, Screen mirroring, Clear Audio+, Clear Bass, Dynamic normaliser, Smart Cleaning, Digital Noise Cancelling (DNC), Live Color LED, Hi-Res Audio, Low power audio playback, Smart backlight control, MirrorLink support, High-bandwidth Digital Content Protection (HDCP), S-Force Front surround, Read Mode, Alarm Clock, handwriting recognition, PS4 Remote Play 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 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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