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.
DESIGN AND DIMENSIONS | Samsung Galaxy A8 (2018) | LG K40 |
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Product Type | Smartphone | Smartphone | |
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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 |
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SIM Card Type (Size) | Nano SIM | - | |
SIM Card Qty | Single-SIM | Dual-SIM |
DISPLAY | Samsung Galaxy A8 (2018) | LG K40 |
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Display Type | OLED display | LCD display | |
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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 |
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Processor Type (CPU) | Samsung Exynos | MediaTek | |
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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 |
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RAM | 4 GB | 2 GB | Samsung Galaxy A8 (2018) has more RAM than LG K40. |
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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 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 1 | |
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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 |
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Number of Front Cameras | 2 | 1 | |
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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 |
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Sensor Resolution (2nd Front) | 8 Megapixel | - | |
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Lens Aperture (2nd Front) | F/1.9 | - |
BATTERY AND CHARGING | Samsung Galaxy A8 (2018) | LG K40 |
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Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
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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 |
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Battery Technology | - | Lithium Ion |
CELLULAR | Samsung Galaxy A8 (2018) | LG K40 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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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 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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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 |
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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 | |
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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 |
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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 | |
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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 |
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Included Accessories | Power adapter | Power adapter | |
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Compliant Standards | IP68 | MIL-STD 810G | |
Max Depth of Water Resistance | 1.5 m | - |