Samsung Galaxy A8 (2018) vs. LG K40

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy A8 (2018) and LG K40. 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 K40 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A8 (2018) LG K40
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A530F LM-X420EMW
Form Factor Touch Touch
Height 149.2 mm 153 mm LG K40 has greater height than Samsung Galaxy A8 (2018).
Width 70.6 mm 71.9 mm LG K40 has greater width than Samsung Galaxy A8 (2018).
Depth 8.4 mm 8.3 mm LG K40 is narrower than Samsung Galaxy A8 (2018).
Weight 172 g 145 g LG K40 is lighter than Samsung Galaxy A8 (2018).
Body Colour Orchid grey | Gold | Black New Aurora Black | Moroccan blue
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) 1.597 W/kg (body), 0.518 W/kg (head)
Integrated Components - FM radio
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
SIM Card Type (Size) Nano SIM -
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Samsung Galaxy A8 (2018) LG K40
Display Type OLED display LCD display
Display Technology Super AMOLED IPS
Screen Size (Display Size) 5.6" 5.7" LG K40 has larger screen size than Samsung Galaxy A8 (2018).
Screen Resolution (Display Resolution) 2220 x 1080 pixels 1440 x 720 pixels Samsung Galaxy A8 (2018) has better screen resolution than LG K40.
Display Format - HD
Pixel Density 440 ppi 282 ppi Samsung Galaxy A8 (2018) has better pixel density than LG K40.
Aspect Ratio 18.5:9 18:9
Colour Depth 16.7 million colours -
Display Features Always-on display, Infinity Display Curved glass, FullVision display
PROCESSOR Samsung Galaxy A8 (2018) LG K40
Processor Type (CPU) Samsung Exynos MediaTek
Processor Number 7885 MT6762
Clock Speed 2.2 GHz 2 GHz Samsung Galaxy A8 (2018) has higher clock speed than LG K40.
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) - PowerVR GE8320
MEMORY Samsung Galaxy A8 (2018) LG K40
RAM 4 GB 2 GB Samsung Galaxy A8 (2018) has more RAM than LG K40.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory 22.7 GB 20.2 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 K40
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 16 Megapixel 16 Megapixel Both phones have the same camera resolution.
Sensor Size 1/2.8" 1/3" LG K40 has better camera sensor size than Samsung Galaxy A8 (2018).
Lens Aperture F/1.7 F/2.0 Samsung Galaxy A8 (2018) has better lens aperture than Samsung Galaxy A8 (2018).
Pixel Size - 1 μm
Focus Adjustment Automatic Automatic
Digital Zoom 4x -
Special Effects HDR, Beauty effect, Grid Line -
Camera Modes Panorama, Pro mode, night mode, Beauty mode, HYPERLAPSE, low-light shots, Food mode -
Face Recognition (Face ID) Face detection - Samsung Galaxy A8 (2018) has face detection.
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) 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), GIF Creation, 8 different scenes
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 16 Megapixel 8 Megapixel Samsung Galaxy A8 (2018) has better front camera resolution than LG K40.
Sensor Size (Front) 1/3.1" 1/4" LG K40 has better front camera sensor size than Samsung Galaxy A8 (2018).
Lens Aperture (Front) F/1.9 F/2.0 Samsung Galaxy A8 (2018) has better front lens aperture than Samsung Galaxy A8 (2018).
Pixel Size (Front) - 1.12 μm
Special Effects (Front) HDR, Grid Line -
Camera Modes (Front) Night mode, wide selfie mode, Beauty mode, Live Focus mode Portrait mode
Light Source (Front) - LED flash
Camera Features (Front) Quick launch, Live stickers, Stamps, location tags -
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 8 Megapixel -
Lens Aperture (2nd Front) F/1.9 -
BATTERY AND CHARGING Samsung Galaxy A8 (2018) LG K40
Battery Capacity (Battery Size) 3000 mAh 3000 mAh Both phones have the same battery capacity.
Standby Time - 100 hours
Talk Time 1140 minutes 480 minutes Samsung Galaxy A8 (2018) has longer battery life when making calls than LG K40.
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 K40
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 8.1 Oreo
Intelligent Assistant Bixby Google Assistant
Navigation GPS, GLONASS, BeiDou GPS
COMMUNICATIONS Samsung Galaxy A8 (2018) LG K40
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/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0 LE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy A8 (2018) LG K40
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 -
Sound Enhancements - DTS: X 3D Premium Sound
FEATURES Samsung Galaxy A8 (2018) LG K40
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 Ambient light sensor, proximity sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader
Additional Phone Features Fast Charging, S-Voice, Samsung KNOX, Dual Messenger, Smart View, Bixby Vision, Secure Folder function, MEMS microphones Google Lens, Google Assistant Key, AI Cam
OTHERS Samsung Galaxy A8 (2018) LG K40
Included Accessories Power adapter Power adapter
Compliant Standards IP68 MIL-STD 810G
Max Depth of Water Resistance 1.5 m -
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