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Samsung Galaxy S10 (SM-G973F/DS 128GB) vs LG K40 (X420EMW)

Side by side comparison between Samsung Galaxy S10 vs LG K40 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K40 X Samsung Galaxy S10 (SM-G973F/DS 128GB) 32Points
6.1"
AMOLED

1440x3040

12.2
MP

10mp

8GB
RAM

Octa-core

3400
mAh

(Non removable)

vs
5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S10 (SM-G973F/DS 128GB)

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 S10 (SM-G973F/DS 128GB)} 32 Advantages Samsung Galaxy S10 (SM-G973F/DS 128GB) vs K40 (X420EMW)} 4 Advantages LG K40 (X420EMW)
+2.7GHz 64bit Octa-core (8nm)31%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (12nm)
+8GB LPDDR4X3 times
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+128GB (109GB available)4 times
More internal storage for applications and files
vs32GB (20GB available)
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+7.8 millimeters (0.31 inches)6%
Thinner
vs8.3 millimeters (0.33 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1440x3040 pixels3 times
Higher resolution screen
vs720x1440 pixels
+551 PPI95%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs282 PPI
+6.1"7%
Larger screen
vs5.7"
+(triple camera) 12.2MP + 12MP + 16MP152%
Higher resolution main camera
vs(back) 16MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+1/2.55" inches18%
The larger sensor camera lets you take photos with better depth.
vs1/3" inches
+f/1.5 (aperture)33%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 10MP26%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 12Advantage
Android 12 is newer and safer
vsAndroid 8.1 Oreo
+(4G LTE-A) 2000 Mbps6 times
Faster for surfing the internet and download files
vs(4G LTE-A) 300 Mbps
+ANT+Advantage
Sensors help you use the device
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
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
+3400 mAh13%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
vs802.11 a/b/g/n/ac [wifi5]
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsMicroUSB 2.0, USB OTG On-The-Go
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
+Gorilla Glass 6Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
157 grams (5.5 ounces)vs+145 grams (5.08 ounces)8%
Lighter
LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
IP68 certifiedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

18 Common items in both devices
Until 1TB microSD, microSDXC
16 million
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
4G LTE-A
Capacitive
Multitouch
+11 specs and more in the table below

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

Highlight differences Clear highlight

📱 Model features

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
ModelGalaxy S10 (SM-G973F/DS 128GB)K40 (X420EMW)
Other model namesGalaxy S10 (Exynos) G973F/Dual-Sim 8GB RAM, Samsung BeyondLG K40 LMX420EMW NFC Dual-sim, LM-X420EMW, LG-LMX420EMW
Country or region available(Latin America)(Europe)(Global, International)Brazil
(Latin America), (Europe), (Global, International), Brazil
(Global, International)(Europe)
(Global, International), (Europe)
BrandSamsungLG
Release date3/1/2019, Announced: 2/20/20193/31/2019
Depth7.8 millimeters (0.31 inches)8.3 millimeters (0.33 inches)
Size (width x height)70.4 x 149.9 millimeters (2.77 x 5.9 in)71.9 x 153 millimeters (2.83 x 6.02 in)
Weight157 grams (5.5 ounces)145 grams (5.08 ounces)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

📲 Display

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
Display typeDynamic AMOLEDTFT IPS LCD
Screen size6.1" inches5.7" inches
Screen-to-body ratio~88% (screen-to-body ratio)~76.2% (screen-to-body ratio)
Display resolution1440x3040 pixels (19:9)720x1440 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)551 PPI282 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 6Not supported
Refresh rate60Hzfeature not registered
Display featuresHDR10+
Always-On Display
feature not registered

🤖 Operating System

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
System versionAndroid 9.0 PieAndroid 8.1 Oreo
Firmware updateAndroid 12feature not registered
User InterfaceOne UI 2.0 / 3.1 / 4.1feature not registered

⚙️ Processor

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
Chipset64bit: Samsung Exynos 9820 (8nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUOcta-core, 3 processors:
2x 2.7GHz Mongoose M4 (Dual-core)
2x 2.3GHz ARM Cortex-A75 (Dual-core)
4x 1.9GHz ARM Cortex-A55 (Quad-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-G76 MP12 (702MHz)PowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
RAM memory8GB LPDDR4X2GB LPDDR3
Internal storage128GB (109GB available)
UFS 2.1
32GB (20GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload2000/150 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkTD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
LTE Cat6 (Bands 1, 3, 5, 7, 8, 20)
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 networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE

📷 Camera

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
Back camera (main camera)(triple camera)
12.2 megapixels
12MP telephoto f/2.41/3.6"52mm1.0µmAFOIS2x-optical-zoom
16MP ultrawide f/2.212mm
16 megapixels
Main camera resolution4032x3024 pixels4608x3456 pixels
Video recording (primary)4K UHD (3840x2160) 60 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturef/1.5 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.55" inches1/3" inches
Pixel size1.4µm pixel1µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical 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
Camera extras1080p@240fps
720p@960fps
feature not registered

📸 Front camera

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
Front camera (secondary)10 megapixels8 megapixels
Front camera resolution3872x2592 pixels3264x2448 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturef/1.9 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
USBUSB 3.1 Type-C, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
SensorsAccelerometer
Ambient light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Heart rate
Proximity sensor
SpO2
Accelerometer
Ambient light sensor
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity3400 mAh3000 mAh
Charger, watts15W (9V/1.67A) Wired fast charging
USB Power Delivery 2.0
Wired charging
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
9W Reverse wireless charging
feature not registered
Talk time autonomyfeature not registered8 hours
Standbyfeature not registered100 hours (4.2 days)

➕ Other features

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Prism Black, White, Green, Blue, Flamingo Pink
• Ultrasonic fingerprint sensor
• Bixby
• Samsung DeX
• Samsung Pay (MST, NFC)
• Colors: Black, Moroccan Blue, Platinum Gray
• 18:9 ratio FullVision display
• LED notification
• DTS-X Surround sound

☢️ Radiation rate

Galaxy S10 (SM-G973F/DS 128GB)LG K40 (X420EMW)
SAR 1.6W/kg (USA, Mexico, etc.)0.93W/kg (head), 0.79W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.477W/kg (head), 1.593W/kg (body)feature not registered
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