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Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB) vs LG K42 (K420YMW)

Side by side comparison between Samsung Galaxy M31 vs LG K42 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K42 XSamsung Galaxy M31 (SM-M315F/DS 128GB/8GB)19Points
Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)
6.4"
AMOLED

1080x2340

64
MP

32mp

8GB
RAM

64bit Octa

6000
mAh

(Non removable)

vs
LG K42 (K420YMW)
6.6"
IPS

720x1600

13
MP

8mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)

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 M31 (SM-M315F/DS 128GB/8GB)19 Advantages Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)vsK42 (K420YMW)6 Advantages LG K42 (K420YMW)
+2.3GHz 64bit Octa-Core18%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-Core
+8GB LPDDR4X167%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR4X
+128GB (108GB available)140%
More internal storage for applications and files
vs64GB (45GB available)
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1080x2340 pixels119%
Higher resolution screen
vs720x1600 pixels
+403 PPI52%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs266 PPI
+(quad camera) 64MP + 8MP + 5MP + 5MP3 times
Higher resolution main camera
vs(quad camera) 13MP + 5MP + 2MP + 2MP
+1/1.72" inches80%
The larger sensor camera lets you take photos with better depth.
vs1/3.1" inches
+(front) 32MP3 times
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 11Advantage
Android 11 is newer and safer
vsAndroid 10
+(4G+ LTE-A) 600 Mbps3 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+6000 mAh50%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+15W50%
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.
vs10W
+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)
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
191 grams (6.69 ounces)vs+184 grams (6.44 ounces)4%
Lighter
8.9 millimeters (0.35 inches)vs+8.4 millimeters (0.33 inches)6%
Thinner
6.4"vs+6.6"3%
Larger screen
Not supportedvs+Proximity sensorAdvantage
Sensors help you use the device
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

30 Common items in both devices
Until 1TB microSD, microSDXC
Plastic body, glass front
60Hz
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
+23 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

📱 Model features

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
ModelGalaxy M31 (SM-M315F/DS 128GB/8GB)K42 (K420YMW)
Other model namesGalaxy M315F/Dual-Sim (128GB + 8GB RAM)LG K42 LMK420YMW, LM-K420YMW Dual-SIM
Country or region availableIndia
India
(Global, International)United Arab EmiratesIndiaIsraelTaiwan
(Global, International), United Arab Emirates, India, Israel, Taiwan
BrandSamsungLG
Release date3/5/2020, Announced: 2/25/20209/21/2020
Depth8.9 millimeters (0.35 inches)8.4 millimeters (0.33 inches)
Size (width x height)75.1 x 159.2 millimeters (2.96 x 6.27 in)76.7 x 165 millimeters (3.02 x 6.5 in)
Weight191 grams (6.69 ounces)184 grams (6.44 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

🤖 Operating System

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
System versionAndroid 10Android 10
Firmware updateAndroid 11feature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
Chipset64bit - Samsung Exynos 9611 (10nm)64bit - MediaTek Helio P22 (MT6762) (12nm)
CPUOcta-Core, 2 processors:
2.3GHz Quad-Core ARM Cortex-A73
1.7GHz 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-G72 MP3 (850MHz)PowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
RAM memory8GB LPDDR4X3GB LPDDR4X
Internal storage128GB (108GB available)
UFS 2.1
64GB (45GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📲 Display

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.4" inches6.6" inches
Screen-to-body ratio~84.1% (screen-to-body ratio)~83.1% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)403 PPI266 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Display features60Hz, 420nits[peak]60Hz

📶 Mobile networks

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated 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/upload600/150 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse 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 networkUMTS 850/900/1700/1900/2100UMTS 850/900/1900/2100
Primary 4G networkLTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat4 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 39, 40)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
Back camera (main camera)(quad camera)
64 megapixels
8MP ultrawidef/2.212mm1/4.0"1.12µm
5MP macrof/2.425mm1/5.0"1.12µm
5MP depthf/2.2
(quad camera)
13 megapixels
5MP ultrawidef/2.2115°1/5.0"1.12µm
2MP macrof/2.41.75μm
2MP depthf/2.41.75μm
Main camera resolution10120x6328 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens27mm lens
Sensor size1/1.72" inches1/3.1" inches
Pixel size0.8µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
Front camera (secondary)32 megapixels8 megapixels
Front camera resolution6528x4896 pixels3264x2448 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered

🔉 Sound and multimedia

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n (2.4Ghz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
SensorsAccelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Accelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity6000 mAh4000 mAh
Charger, watts15W Fast battery charging10W (5V/2A) Standard charging
Talk time autonomyfeature not registered16 hours
Standbyfeature not registered180 hours (7.5 days)

➕ Other features

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
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: Ocean Blue, Space Black, Red
- One UI 2.0, 3.1
- Colors: Titan, Green, Red
- Silicon case included
- LG 3D Sound Engine

☢️ Radiation rate

Samsung Galaxy M31 (SM-M315F/DS 128GB/8GB)LG K42 (K420YMW)
SAR 1.6W/kg (USA, Mexico, etc.)0.52W/kg (head), 0.69W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.482W/kg (head), 1.127W/kg (body)feature not registered
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