Samsung Galaxy A8 (2018) vs. LG K51S

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy A8 (2018) 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

Samsung Galaxy A8 (2018) vs. LG K51S Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A8 (2018) LG K51S
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A530F LM-K510EMW
Form Factor Touch Touch
Height 149.2 mm 165.2 mm LG K51S has greater height than Samsung Galaxy A8 (2018).
Width 70.6 mm 76.7 mm LG K51S has greater width than Samsung Galaxy A8 (2018).
Depth 8.4 mm 8.26 mm LG K51S is narrower than Samsung Galaxy A8 (2018).
Weight 172 g 194 g Samsung Galaxy A8 (2018) is lighter than Samsung Galaxy A8 (2018).
Body Colour Orchid grey | Gold | Black Pink | Titan
Protection Dustproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy A8 (2018) is waterproof.
IP rating IP68 -
SAR Value 1.25 W/kg (body), 0.241 W/kg (head) 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 Single-SIM Dual-SIM
DISPLAY Samsung Galaxy A8 (2018) LG K51S
Display Type OLED display LCD display
Display Technology Super AMOLED IPS
Screen Size (Display Size) 5.6" 6.55" LG K51S has larger screen size than Samsung Galaxy A8 (2018).
Screen Resolution (Display Resolution) 2220 x 1080 pixels 1600 x 720 pixels Samsung Galaxy A8 (2018) has better screen resolution than LG K51S.
Display Format - HD+
Pixel Density 440 ppi 268 ppi Samsung Galaxy A8 (2018) has better pixel density than LG K51S.
Aspect Ratio 18.5:9 20:9
Max Brightness - 400 cd/m²
Colour Depth 16.7 million colours -
Display Features Always-on display, Infinity Display Reading mode, FullVision display, night mode, hole in display
Display Protection (Screen Protector) - Tempered glass
PROCESSOR Samsung Galaxy A8 (2018) LG K51S
Processor Type (CPU) Samsung Exynos MediaTek
Processor Number 7885 MT6765
Clock Speed 2.2 GHz 2.3 GHz LG K51S has higher clock speed than Samsung Galaxy A8 (2018).
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) - IMG PowerVR GE8320
MEMORY Samsung Galaxy A8 (2018) LG K51S
RAM 4 GB 3 GB Samsung Galaxy A8 (2018) has more RAM than LG K51S.
Internal Memory Size (Storage Capacity) 32 GB 64 GB LG K51S has more internal memory than Samsung Galaxy A8 (2018).
User Memory 22.7 GB 50.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 2 TB
CAMERA Samsung Galaxy A8 (2018) LG K51S
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 32 Megapixel LG K51S has better camera resolution than Samsung Galaxy A8 (2018).
Sensor Size 1/2.8" -
Lens Aperture F/1.7 F/1.8 Samsung Galaxy A8 (2018) has better lens aperture than Samsung Galaxy A8 (2018).
Field of View (FoV) - 76.3 degree(s)
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) - 24 mm
Digital Zoom 4x 8x LG K51S has better digital zoom than Samsung Galaxy A8 (2018).
Self-Timer Delay - Yes
Special Effects HDR, Beauty effect, Grid Line HDR
Camera Modes Panorama, Pro mode, night mode, Beauty mode, HYPERLAPSE, low-light shots, Food mode Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape
Face Recognition (Face ID) Face detection Face detection Both phones have 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 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), VDIS (Video Digital Image Stabilisation), Hyperlapse video with stabilisation, Tracking AF, Video location tags, Live stickers, Stamps, location tags, High CRI flash 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 2 1
Sensor Resolution (Front) 16 Megapixel 13 Megapixel Samsung Galaxy A8 (2018) has better front camera resolution than LG K51S.
Sensor Size (Front) 1/3.1" -
Lens Aperture (Front) F/1.9 -
Special Effects (Front) HDR, Grid Line -
Camera Modes (Front) Night mode, wide selfie mode, Beauty mode, Live Focus mode Gesture Shot, Selfie portrait
Face Recognition (Face ID) - Face detection LG K51S has face detection.
Camera Features (Front) Quick launch, Live stickers, Stamps, location tags 17 filters
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 8 Megapixel -
Lens Aperture (2nd Front) F/1.9 -
BATTERY AND CHARGING Samsung Galaxy A8 (2018) LG K51S
Battery Capacity (Battery Size) 3000 mAh 4000 mAh LG K51S has larger battery capacity than Samsung Galaxy A8 (2018).
Standby Time - 100 hours
Talk Time 1140 minutes 480 minutes Samsung Galaxy A8 (2018) has longer battery life when making calls than LG K51S.
Run Time Details Active online usage (3G): up to 12 hrs
Active online usage (LTE): up to 14 hrs
Active online usage (Wi-Fi): up to 15 hrs
Playback (video): up to 17 hrs
Playback (audio): up to 43 hrs
Playback (audio (Always On Display Off)): up to 64 hrs
Talk (3G): up to 1140 min
Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology - Lithium Ion
CELLULAR Samsung Galaxy A8 (2018) 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 7.1.1 Nougat Android 9.0 Pie
User Interface - LG UX 9
Intelligent Assistant Bixby Google Assistant
Navigation GPS, GLONASS, BeiDou GPS
COMMUNICATIONS Samsung Galaxy A8 (2018) LG K51S
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 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 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 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 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT IEEE 802.11a/b/g/n
Bluetooth Bluetooth 5.0 LE 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 Samsung Galaxy A8 (2018) LG K51S
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4
Sound Enhancements - DTS: X 3D Surround Sound
FEATURES Samsung Galaxy A8 (2018) 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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Face recognition, fingerprint reader Fingerprint reader
Additional Phone Features Fast Charging, S-Voice, Samsung KNOX, Dual Messenger, Smart View, Bixby Vision, Secure Folder function, MEMS microphones DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button
OTHERS Samsung Galaxy A8 (2018) LG K51S
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards IP68 MIL-STD 810G
Max Depth of Water Resistance 1.5 m -
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