Skip to content

LG K50 X520EMW vs LG K40 X420ZM

Side by side comparison, pros, cons, differences between LG K50 vs LG K40 phones with full specifications. What's the best?

,
Compare LG K40 X11LG K50 X520EMW
LG K50 X520EMW
6.26"
IPS

720x1520

13
MP

13mp

3GB
RAM

64bit Octa

3500
mAh

(Non removable)

vs
Compare LG K50 X09LG K40 X420ZM
LG K40 X420ZM
5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

64bit Octa

3000
mAh

(Non removable)

What's the best phone? The PhoneMore's choice is LG K50 X520EMW

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best! Comment!


11 Advantages LG K50 X520EMW
K50 X520EMWvsK40 X420ZM
 50%50%
+More RAM memory. Typically more responsive and better for multitasking
3GB LPDDR3vs2GB LPDDR3
 6%6%
+Higher resolution screen
720x1520 pixelsvs720x1440 pixels
 10%10%
+Larger screen
6.26"vs5.7"
 62%62%
+Higher resolution secondary camera to take pictures and selfies
(front) 13MPvs(front) 8MP
Advantage
+Android 9.0 Pie is newer and safer
Android 9.0 PievsAndroid 8.1 Oreo
Advantage
+Sensors help you use the device
CompassvsNot supported
Advantage
+Sensors help you use the device
Face unlockvsNot supported
 17%17%
+Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
3500 mAhvs3000 mAh
Advantage
+It's more advantageous to have more than one phone operator in the same device
2 slots Dual-SIMvs1 slot
Advantage
+With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device
DLNAvsNot supported
Advantage
+NFC allows you to make payments by approach quickly and securely
NFCvsNot supported

09 Advantages LG K40 X420ZM
K40 X420ZMvsK50 X520EMW
 11%11%
+More internal storage for applications and files
32GB (20GB user available)vs32GB (18GB user available)
 13%13%
+Lighter
150 grams (5.25 ounces)vs170 grams (5.95 ounces)
 5%5%
+Thinner
8.3 millimeters (0.33 inches)vs8.75 millimeters (0.34 inches)
 5%5%
+Crisper display of text, images and video because it has more pixels per inch (ppi)
282 PPIvs269 PPI
 6%6%
+Higher resolution main camera
(back) 16MPvs(dual camera) 13MP + 2MP
Advantage
+The LED flash on both cameras helps in dark places or in low light
LED flash on both camerasvsLED flash
 3%3%
+The larger sensor camera lets you take photos with better depth
1/3" inchesvs1/3.1" inches
 10%10%
+Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure
f/2.0 (aperture)vsf/2.2 (aperture)
Advantage
+The radio lets you listen to your songs and sports in general
FMvsNot supported

32 Common items in both devices
2Ghz 64bit Octa-Core
eMMC 5.1
Until 1TB microSD, microSDHC, microSDXC
Plastic body, front glass
TFT LCD IPS
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
Full HD (1920x1080 pixels)
Full HD (1920x1080 pixels)
4G+ LTE-A
300 Mbps
Capacitive
Multitouch
3.5mm jack
Accelerometer
Proximity
Ambient Light
Fingerprint (rear-mounted)
LiPo - Li-Ion polymer (Non removable) / Li-Ion (Non removable)
Speakerphone
Video calling
Vibrating alert
Active noise cancellation
A-GPS, GeoTagging
802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)
5.0 version A2DP/LE
MicroUSB 2.0, USB OTG On-The-Go
HTML, XHTML, HTML5
MIL-STD-810G military certified
+ COMMON ITEMS

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

Model and physical featuresLG K50 X520EMWLG K40 X420ZM
ModelK50 X520EMWK40 X420ZM
Also known asLG K50 LMX520EMW, LM-X520EMW, LG K50 Dual CAMLG K40 LMX420ZM, LM-X420ZM, LG-LMX420ZM
Country or region availableEuropeVarious (International)South Africa
BrandLGLG
Release dateJune, 2019March, 2019
Depth8.75 millimeters (0.34 inches)8.3 millimeters (0.33 inches)
Size (width x height)77 x 161.3 millimeters (3.03 x 6.35 in)71.9 x 153 millimeters (2.83 x 6.02 in)
Weight170 grams (5.95 ounces)150 grams (5.25 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, front glassPlastic body, front glass
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistantMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant
Operating system (OS)LG K50 X520EMWLG K40 X420ZM
Operating systemAndroid 9.0 PieAndroid 8.1 Oreo
Firmware updatefeature not registeredfeature not registered
HardwareLG K50 X520EMWLG K40 X420ZM
Architecture - Chipset64bit - MediaTek MT6762 Helio P22 (12nm)64bit - MediaTek MT6762 Helio P22 (12nm)
CPU processorOcta-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerPowerVR GE8320 650MhzPowerVR GE8320 650Mhz
RAM memory3GB LPDDR32GB LPDDR3
Internal storage32GB (18GB user available)
eMMC 5.1
32GB (20GB user available)
eMMC 5.1
External storageUntil 1TB microSD, microSDHC, microSDXC
(dedicated slot)
Until 1TB microSD, microSDHC, microSDXC
(dedicated slot)
DisplayLG K50 X520EMWLG K40 X420ZM
Display typeTFT LCD IPSTFT LCD IPS
Screen size6.26" inches5.7" inches
Screen-to-body ratio~78.8% (screen-to-body ratio)~76.2% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Display resolution720x1520 pixels720x1440 pixels
Pixel density (dot pitch)269 PPI282 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Mobile networks and dataLG K50 X520EMWLG K40 X420ZM
Dual-SIMDual SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots Dual-SIM
nano-SIM (4FF)
1 slot
nano-SIM (4FF)
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 850/900/1900/2100UMTS 850/900/1900/2100
Primary 4G/5G networkLTE Cat6 (Bands 1, 3, 7, 8, 20)
TD-LTE (Bands 38)
LTE Cat6 (Bands 1, 3, 5, 7, 8, 20)
TD-LTE (Bands 38, 40)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported
Maximum download/upload300/50 Mbps300/50 Mbps
Messaging and callingLG K50 X520EMWLG K40 X420ZM
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
Primary / back cameraLG K50 X520EMWLG K40 X420ZM
Main camera(dual camera)
13 megapixels
2MP depth sensor (f/2.4 1/5" 1.75um 86º)
16 megapixels
Main camera resolution4160x3120 pixels4608x3456 pixels
Video recording (primary)Full HD (1920x1080 pixels) 30 fpsFull HD (1920x1080 pixels) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/3.1" inches1/3" inches
Pixel size1.12µm pixel1µm 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
Front / secondary cameraLG K50 X520EMWLG K40 X420ZM
Front camera13 megapixels8 megapixels
Front camera resolution4160x3120 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080 pixels)Full HD (1920x1080 pixels)
Front flashNot supportedLED
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.1" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered
MultimediaLG K50 X520EMWLG K40 X420ZM
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
Connectivity and interfacesLG K50 X520EMWLG K40 X420ZM
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
Bluetooth5.0 version A2DP/LE5.0 version A2DP/LE
WiFi802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)
DLNASupportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging
Infrared portNot supportedNot supported
Other functionsLG K50 X520EMWLG K40 X420ZM
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Proximity
Compass
Ambient Light
Face unlock
Fingerprint (rear-mounted)
Accelerometer
Proximity
Ambient Light
Fingerprint (rear-mounted)
Other features- Colors: Aurora black, Platinum gray, Moroccan blue
- 19:9 display ratio
- LG UX 7
- DTS:X surround sound
- WiFi direct, hotspot
- Colors: Black, Moroccan Blue, Platinum Gray
- 18:9 ratio FullVision display
- LED notification
- DTS-X Surround sound
- WiFi direct, hotspot
Power supply and autonomyLG K50 X520EMWLG K40 X420ZM
BatteryLiPo - Li-Ion polymer (Non removable)Li-Ion (Non removable)
Battery capacity3500 mAh3000 mAh
Battery model / charger (watts)5V/1.2Afeature not registered
Talk time1020 minutes | 17 hours | 0.7 day480 minutes | 8 hours | 0.3 day
Standby19080 minutes | 318 hours | 13.3 days6000 minutes | 100 hours | 4.2 days
Radiation rate (SAR)LG K50 X520EMWLG K40 X420ZM
SAR USA, Mexico, Colombiafeature not registeredfeature not registered
SAR European Union, UKfeature not registeredfeature not registered