Samsung Galaxy S8+ vs. LG K40

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy S8+ 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 S8+ vs. LG K40 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S8+ LG K40
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G955FD LM-X420EMW
Form Factor Touch Touch
Height 159.5 mm 153 mm Samsung Galaxy S8+ has greater height than LG K40.
Width 73.4 mm 71.9 mm Samsung Galaxy S8+ has greater width than LG K40.
Depth 8.1 mm 8.3 mm Samsung Galaxy S8+ is narrower than Samsung Galaxy S8+.
Weight 173 g 145 g LG K40 is lighter than Samsung Galaxy S8+.
Body Colour Gold maple | Midnight black New Aurora Black | Moroccan blue
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy S8+ is waterproof.
IP rating IP68 -
SAR Value 1 W/kg (body), 0.26 W/kg (head) 1.597 W/kg (body), 0.518 W/kg (head)
Integrated Components Heart rate sensor 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 Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Samsung Galaxy S8+ LG K40
Display Type OLED display LCD display
Display Technology Quad HD+ Super AMOLED IPS
Screen Size (Display Size) 6.2" 5.7" Samsung Galaxy S8+ has larger screen size than LG K40.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 1440 x 720 pixels Samsung Galaxy S8+ has better screen resolution than LG K40.
Display Format - HD
Pixel Density 529 ppi 282 ppi Samsung Galaxy S8+ has better pixel density than LG K40.
Aspect Ratio - 18:9
Colour Depth 16.7 million colours -
Display Features Always-on display Curved glass, FullVision display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Samsung Galaxy S8+ LG K40
Processor Type (CPU) Samsung Exynos MediaTek
Processor Number 8895 MT6762
Clock Speed 2.3 GHz 2 GHz Samsung Galaxy S8+ 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) Mali-G71 MP20 PowerVR GE8320
MEMORY Samsung Galaxy S8+ LG K40
RAM LPDDR4 SDRAM - 4 GB 2 GB Samsung Galaxy S8+ has more RAM than LG K40.
Internal Memory Size (Storage Capacity) 64 GB 32 GB Samsung Galaxy S8+ has more internal memory than LG K40.
User Memory 52.3 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 S8+ LG K40
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 12 Megapixel 16 Megapixel LG K40 has better camera resolution than Samsung Galaxy S8+.
Sensor Size 1/2.55" 1/3" LG K40 has better camera sensor size than Samsung Galaxy S8+.
Lens Aperture F/1.7 F/2.0 Samsung Galaxy S8+ has better lens aperture than Samsung Galaxy S8+.
Pixel Size - 1 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy S8+ has optical stabilisation.
Focus Adjustment Automatic, manual Automatic
Digital Zoom 8x -
Self-Timer Delay Yes -
Special Effects HDR, Stamp, Bokeh effect, Grid Line, Stickers -
Camera Modes Panorama, Slow motion mode, Pro mode, Timer mode, Virtual Shot, HYPERLAPSE, Food mode -
Face Recognition (Face ID) Face detection - Samsung Galaxy S8+ has face detection.
White Balance Custom, automatic -
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps -
Camera Features (Functions) Selective Focus, Quick Launch, Playback zoom, Dual Pixel technology, Motion photo, Exposure, Shutter speed, geotagging, RAW image capture, VDIS (Video Digital Image Stabilisation) Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) 1/3.6" 1/4" LG K40 has better front camera sensor size than Samsung Galaxy S8+.
Sensor Type (Front) CMOS -
Lens Aperture (Front) F/1.7 F/2.0 Samsung Galaxy S8+ has better front lens aperture than Samsung Galaxy S8+.
Pixel Size (Front) - 1.12 μm
Focus Adjustment Automatic -
Camera Modes (Front) Wide selfie mode Portrait mode
Light Source (Front) - LED flash
BATTERY AND CHARGING Samsung Galaxy S8+ LG K40
Battery Capacity (Battery Size) 3500 mAh 3000 mAh Samsung Galaxy S8+ has larger battery capacity than LG K40.
Wireless Charging Yes - Samsung Galaxy S8+ can be charged wirelessly.
Wireless Charging Standards WPC, PMA -
Standby Time - 100 hours
Talk Time 1440 minutes 480 minutes Samsung Galaxy S8+ has longer battery life when making calls than LG K40.
Run Time Details Talk (WCDMA): up to 1440 min
Playback (MP3 (AOD on)): up to 50 hrs
Playback (MP3 (AOD off)): up to 78 hrs
Playback (video): up to 18 hrs
Active online usage (Wi-Fi): up to 15 hrs
Active online usage (3G): up to 13 hrs
Active online usage (LTE): up to 15 hrs
Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology - Lithium Ion
CELLULAR Samsung Galaxy S8+ LG K40
Technology TD-SCDMA / 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 8.1 Oreo
Intelligent Assistant Bixby Google Assistant
Payment Technology Samsung Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS
COMMUNICATIONS Samsung Galaxy S8+ 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, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) 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 25, Band 26, Band 28, Band 32, Band 38, Band 39, 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 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, 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
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy S8+ LG K40
Supported Digital Audio Standards WAV, WMA, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, apt-X, DSF, DSD, MXMF, IMY, RTTTL, RTX, OTA, DFF, 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 S8+ 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, heart rate, pressure sensor, geomagnetic sensor Ambient light sensor, proximity sensor
Security Devices Fingerprint reader, eye scan Face recognition, fingerprint reader
Additional Phone Features Wi-Fi Miracast, MU-MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support Google Lens, Google Assistant Key, AI Cam
OTHERS Samsung Galaxy S8+ LG K40
Included Accessories Power adapter, SIM card removal tool, AKG headphones, micro-USB connector (C to B), ear plugs, USB-C to A connector, USB-C cable Power adapter
Compliant Standards IP68 MIL-STD 810G
Max Depth of Water Resistance 1.5 m -
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