Sony XPERIA XA1 Ultra vs. LG K51S

Phone Comparison, Reviews and Tests

Detailed comparison and review of Sony XPERIA XA1 Ultra and LG K51S. 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.

Phone Specifications Comparison

Sony XPERIA XA1 Ultra vs. LG K51S Comparison Chart
DESIGN AND DIMENSIONS Sony XPERIA XA1 Ultra LG K51S
Product Type Smartphone Smartphone
Manufacturer Model Number G3221 LM-K510EMW
Form Factor Touch Touch
Height 165 mm 165.2 mm LG K51S has greater height than Sony XPERIA XA1 Ultra.
Width 79 mm 76.7 mm Sony XPERIA XA1 Ultra has greater width than LG K51S.
Depth 8.1 mm 8.26 mm Sony XPERIA XA1 Ultra is narrower than Sony XPERIA XA1 Ultra.
Weight 188 g 194 g Sony XPERIA XA1 Ultra is lighter than Sony XPERIA XA1 Ultra.
Body Colour Black | White | Gold Pink | Titan
Waterproof (Water-resistant) - -
SAR Value 1.12 W/kg (body), 0.43 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 XA1 Ultra LG K51S
Display Type LCD display LCD display
Display Technology TFT IPS
Screen Size (Display Size) 6" 6.55" LG K51S has larger screen size than Sony XPERIA XA1 Ultra.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1600 x 720 pixels Sony XPERIA XA1 Ultra 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 2.5D Glass, Image Enhance Technology Reading mode, FullVision display, night mode, hole in display
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Tempered glass
PROCESSOR Sony XPERIA XA1 Ultra LG K51S
Processor Type (CPU) MediaTek MediaTek
Processor Number MT6757 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) Mali T880 MP2 IMG PowerVR GE8320
MEMORY Sony XPERIA XA1 Ultra LG K51S
RAM 4 GB 3 GB Sony XPERIA XA1 Ultra has more RAM than LG K51S.
Internal Memory Size (Storage Capacity) 32 GB 64 GB LG K51S has more internal memory than Sony XPERIA XA1 Ultra.
User Memory 24 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 XA1 Ultra 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 XA1 Ultra.
Sensor Size 1/2.3" -
Sensor Name Sony Exmor RS IMX300 sensor -
Lens Type Wide-angle lens -
Lens Aperture F/2.0 F/1.8 LG K51S has better lens aperture than Sony XPERIA XA1 Ultra.
Field of View (FoV) - 76.3 degree(s)
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) 120 mm 24 mm
Digital Zoom 5x 8x LG K51S has better digital zoom than Sony XPERIA XA1 Ultra.
Self-Timer Delay - Yes
Special Effects HDR, Creative effect HDR
Camera Modes Red-Eye Reduction, Panorama, AR Effect mode, SteadyShot, Timeshift burst, Superior Auto mode, low-light shots 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) at 30 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Quick Launch, Object tracking, Scene recognition, Sound Photo, Quick Capture, Hybrid Auto focus, Touch Capture, Hand Shutter, Stereo Audio Recording, geotagging 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) 16 Megapixel 13 Megapixel Sony XPERIA XA1 Ultra has better front camera resolution than LG K51S.
Sensor Size (Front) 1/2.6" -
Sensor Name (Front) Sony Exmor RS IMX234 sensor -
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 -
Focus Adjustment Automatic -
Special Effects (Front) Smart Selfie Flash -
Camera Modes (Front) Low-light shots Gesture Shot, Selfie portrait
Face Recognition (Face ID) - Face detection LG K51S has face detection.
Light Source (Front) Flash -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps -
Camera Features (Front) Optical Image Stabilisation (OIS) 17 filters
BATTERY AND CHARGING Sony XPERIA XA1 Ultra LG K51S
Battery Capacity (Battery Size) 2700 mAh 4000 mAh LG K51S has larger battery capacity than Sony XPERIA XA1 Ultra.
Fast Charging Technology Pump Express+ 2.0 Quick Charge technology - Sony XPERIA XA1 Ultra has fast charging technology.
Standby Time 708 hours 100 hours Sony XPERIA XA1 Ultra has longer standby time than LG K51S.
Talk Time 796 minutes 480 minutes Sony XPERIA XA1 Ultra has longer battery life when making calls than LG K51S.
Run Time Details Talk (GSM): up to 796 min
Standby (GSM): up to 658 hrs
Talk (3G): up to 713 min
Standby (3G): up to 708 hrs
Standby (LTE): up to 671 hrs
Playback (Music): up to 3897 min
Playback (video): up to 518 min
Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology - Lithium Ion
CELLULAR Sony XPERIA XA1 Ultra 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 7.0 Nougat Android 9.0 Pie
User Interface - LG UX 9
Intelligent Assistant - Google Assistant
Navigation GPS, A-GPS, GLONASS GPS
COMMUNICATIONS Sony XPERIA XA1 Ultra 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
3G UMTS Band Band 1, Band 2, Band 5, Band 8 -
3G UMTS Frequency 2100, 1900, 850, 900 -
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 Band 1, Band 3, Band 7, Band 8, Band 20, Band 38
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600
Wireless Interface IEEE 802.11a/b/g/n IEEE 802.11a/b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 5.0 BLE
Bluetooth Profiles HFP, HSP, OPP, PAN, SPP, GAP, GOEP, A2DP, AVRCP, HID, SAP, AVCTP, BNEP, GAVDP, PBAP, MAP, DIP, RFCOMM, GATT, HOGP, IOPT 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, EAP-PWD -
Messaging Services SMS, MMS SMS, MMS
MEDIA Sony XPERIA XA1 Ultra LG K51S
Supported Digital Audio Standards WAV, AAC, MPEG 1 Audio, MPEG 2 Audio, MPEG 2.5 Audio, MP3, FLAC, AAC-LC, LPCM, AAC +, eAAC+, MIDI, MPEG1 Layer3, apt-X, OTA, MP4, AMR-WB, AMR-NB, 3GPP WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards AVI, MPEG-4, DivX, 3GP, H.264, H.263, WebM, VP8, VP9, MPEG4-ASP, 3GPP MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4
Sound Enhancements Surround sound (VPT) DTS: X 3D Surround Sound
FEATURES Sony XPERIA XA1 Ultra 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, hall sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices - Fingerprint reader
Additional Phone Features Text-to-Speech (text recognition), xLOUD technology, intelligent typing (SWIFTKEY), intelligent typing (Gesture), Wi-Fi Miracast, Multi Window, Clear Phase technology, Screen mirroring, Clear Audio+, Clear Bass, Dynamic normaliser, Ultra STAMINA Mode, Smart backlight control, Alarm Clock, handwriting recognition, Noise suppression, Smart cleaner, Qnovo Adaptive Charging, STAMINA Mode, Screen zooming 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 XA1 Ultra LG K51S
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards - MIL-STD 810G
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