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Samsung Galaxy S7 Edge (SM-G935K) vs LG K40S (X430EMW)

Side by side comparison between Samsung Galaxy S7 Edge vs LG K40S phones, differences, pros, cons with full specifications. What's the better?

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Compare LG K40S XSamsung Galaxy S7 Edge (SM-G935K)27Points
Samsung Galaxy S7 Edge (SM-G935K)
5.5"
AMOLED

1440x2560

12.2
MP

5mp

4GB
RAM

64bit Octa

3600
mAh

(Non removable)

vs
LG K40S (X430EMW)
6.1"
IPS

720x1520

13
MP

13mp

2GB
RAM

64bit Octa

3500
mAh

(Non removable)

What's the better phone? Samsung Galaxy S7 Edge (SM-G935K)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Galaxy S7 Edge (SM-G935K)27 Advantages Samsung Galaxy S7 Edge (SM-G935K)vsK40S (X430EMW)10 Advantages LG K40S (X430EMW)
+4GB LPDDR4100%
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+128GB (112GB available)5 times
More internal storage for applications and files
vs32GB (18GB available)
+UFS 2.0Advantage
Fastest write and read storage.
vseMMC 5.1
+157 grams (5.5 ounces)18%
Lighter
vs186 grams (6.51 ounces)
+7.7 millimeters (0.3 inches)12%
Thinner
vs8.6 millimeters (0.34 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1440x2560 pixels2 times
Higher resolution screen
vs720x1520 pixels
+534 PPI93%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs276 PPI
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+f/1.7 (aperture)18%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 2K UHD (2560x1440)78%
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+(4G+ LTE-A) 450 Mbps50%
Faster for surfing the internet and download files
vs(4G+ LTE-A) 300 Mbps
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Heart rateAdvantage
Sensors help you use the device
vsNot supported
+SpO2Advantage
Sensors help you use the device
vsNot supported
+ANT+Advantage
Sensors help you use the device
vsNot supported
+3600 mAh3%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3500 mAh
+15W150%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
vs6W
+Digital TVAdvantage
Watch your favorite TV shows anywhere
vsNot supported
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+Gorilla Glass 4Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
2.3Ghz 64bit Octa-Corevs+2Ghz 64bit Octa-Core4%
More powerful processor, you can open your applications faster
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
5.5"vs+6.1"11%
Larger screen
(back) 12.2MPvs+(dual camera) 13MP + 5MP46%
Higher resolution main camera
(front) 5MPvs+(front) 13MP154%
Higher resolution secondary camera to take pictures and selfies
Android 8.0 Oreovs+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
IP68 certifiedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

22 Common items in both devices
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
4G+ LTE-A
Capacitive
+15 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresSamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
ModelGalaxy S7 Edge (SM-G935K)K40S (X430EMW)
Other model namesKT Galaxy S7 edge G935K (Korea Telecom), Samsung Hero 2LG K40s LM-X430EMW, LMX430EMW (2GB RAM)
Country or region availableSouth Korea
South Korea
(Europe)
(Europe)
BrandSamsungLG
Release dateMarch, 2016September, 2019
Depth7.7 millimeters (0.3 inches)8.6 millimeters (0.34 inches)
Size (width x height)72.6 x 150.9 millimeters (2.86 x 5.94 in)73.9 x 156.3 millimeters (2.91 x 6.15 in)
Weight157 grams (5.5 ounces)186 grams (6.51 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: dust proof and waterproof over 1.5 meter and 30minMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
System (OS)Samsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
Operating systemAndroid 6.0.1 MarshmallowAndroid 9.0 Pie
Firmware updateAndroid 8.0 Oreofeature not registered
HardwareSamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
Chipset64bit - Samsung Exynos 8 Octa 8890 (14nm)64bit - MediaTek MT6762 Helio P22 (12nm)
CPU processorOcta-Core, 2 processors:
2.3Ghz Quad-Core Exynos M1 Mongoose
1.6Ghz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerARM Mali-T880 MP12PowerVR GE8320 650Mhz
RAM memory4GB LPDDR42GB LPDDR3
Internal storage128GB (112GB available)
UFS 2.0
32GB (18GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
Display typeSuper AMOLEDTFT IPS LCD
Screen size5.5" inches6.1" inches
Screen-to-body ratio~76.1% (screen-to-body ratio)~80.4% (screen-to-body ratio)
Display resolution1440x2560 pixels720x1520 pixels (19:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)534 PPI276 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 4Not supported
Display featuresfeature not registered60Hz
Mobile networksSamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload450/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandTri-Band 900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 900/1800/1900GSM 850/900/1800/1900
Primary 3G networkTD-SCDMA 1900/2000
UMTS 850/1900/2100
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28)
TD-LTE (Bands 38, 39, 40, 41)
LTE Cat6 (Bands 1, 3, 7, 8, 20, 28)
TD-LTE (Bands 38)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingSamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
CameraSamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
Back camera (main camera)12.2 megapixels(dual camera)
13 megapixels
5MP ultrawidef/2.21.12μm117º
Main camera resolution4032x3024 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.7 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.5" inchesfeature not registered
Pixel size1.4µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
2ª cameraSamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
Front camera (secondary)5 megapixels13 megapixels
Front camera resolution2592x1944 pixels4128x3096 pixels
Video recording (secondary)2K UHD (2560x1440)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/1.7 (aperture)f/2.0 (aperture)
Focal length22mm lensfeature not registered
Sensor size1/4.1" inchesfeature not registered
Pixel size1.34µm pixel1.12µm pixel
MultimediaSamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
RadioNot supportedNot supported
TVDigital TVNot supported
Video formatsMP4, H.264, H.263, DivX, XviD, WMVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
USBMicroUSB 2.0, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth4.2 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 b/g/n (2.4Ghz)
DLNASupportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Heart rate
SpO2
Hall effect
Fingerprint sensor (front-mounted)
ANT+
Accelerometer
Proximity sensor
Ambient Light sensor
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Black, White, Gold, Silver
- Curved edge screen
- Body material: Aluminium
- Corning Gorilla Glass back panel
- USB OTG On-The-Go
- Samsung Gear VR compatible
- Fast battery charging: 83% in 30min
- Quick Charge 3.0
- Qi Wireless charging (PMA)
- OneDrive 115GB
- Samsung Pay (Visa/Master)
- WiFi direct, hotspot
- IP68 certified: dust proof and water resistant over 1.5 meter and 30min
- Colors: Aurora Black, Moroccan Blue
- DTS:X 3D sound surround
- Eco Playback
- WiFi direct, hotspot
Power supplySamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
BatteryLi-Ion: Lithium-Ion (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity3600 mAh3500 mAh
Charger, watts15W Fast battery charging6W (5V/1.2A) Standard charging
Talk time autonomy2160 minutes | 36 hours | 1.5 days960 minutes | 16 hours | 0.7 day
Standby20160 minutes | 336 hours | 14 days25920 minutes | 432 hours | 18 days
Radiation rateSamsung Galaxy S7 Edge (SM-G935K)LG K40S (X430EMW)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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