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Huawei P30 Pro (L04 256GB) vs LG K40 (X420HM)

Side by side comparison, pros, cons, differences between Huawei P30 Pro vs LG K40 phones with full specifications. What's the best?

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Compare LG K40 XHuawei P30 Pro (L04 256GB)24Points
Huawei P30 Pro (L04 256GB)
6.47"
OLED

1080x2340

40
MP

32mp

8GB
RAM

64bit Octa

4200
mAh

(Non removable)

vs
LG K40 (X420HM)
5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

64bit Octa

3000
mAh

(Non removable)

What's the better phone? Huawei P30 Pro (L04 256GB)

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!

P30 Pro (L04 256GB)24 Advantages Huawei P30 Pro (L04 256GB)vsK40 (X420HM)8 Advantages LG K40 (X420HM)
+2.6Ghz 64bit Octa-Core26%
More powerful processor, you can open your applications faster
vs2Ghz 64bit Octa-Core
+8GB LPDDR4X3 times
More RAM memory. Typically more responsive and better for multitasking
vs2GB LPDDR3
+256GB (238GB user free)11 times
More internal storage for applications and files
vs32GB (20GB user free)
+UFS 2.1Advantage
Fastest write and read storage
vseMMC 5.1
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+1080x2340 pixels144%
Higher resolution screen
vs720x1440 pixels
+398 PPI41%
Crisper display of text, images and video because it has more pixels per inch (ppi)
vs282 PPI
+6.47"14%
Larger screen
vs5.7"
+(quad camera) 40MP + 20MP + 8MP + 0.04MP3 times
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
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+1/1.7" inches76%
The larger sensor camera lets you take photos with better depth
vs1/3" inches
+f/1.6 (aperture)25%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure
vsf/2.0 (aperture)
+(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)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 8.1 Oreo
+(4G+ LTE-A) 1400 Mbps4 times
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
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+4200 mAh40%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+USB 3.1 Type-C reversible connectorAdvantage
More speed data transfer as mp3 and photos via USB
vsMicroUSB 2.0, USB OTG On-The-Go
Until 256GB nano-Memoryvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
192 grams (6.72 ounces)vs+150 grams (5.25 ounces)28%
Lighter
8.41 millimeters (0.33 inches)vs+8.3 millimeters (0.33 inches)1%
Thinner
OLEDvs+TFT LCD IPSAdvantage
This device has a TFT LCD IPS screen, which are brighter and more vivid
Dual LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
IP68 certifiedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

20 Common items in both devices
16 million
LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus
HDR photo on both cameras
(front) Full HD (1920x1080)
4G+ LTE-A
Capacitive
Multitouch
+13 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 featuresHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
ModelP30 Pro (L04 256GB)K40 (X420HM)
Other model namesHuawei P30 Pro VOG-L04 (8GB RAM) Single-sim, Huawei VogueLG K40 LMX420HM, LM-X420HM, LG-LMX420HM
Country or region availableCanadaUSAMexico
Canada, USA, Mexico
Latin AmericaColombia
Latin America, Colombia
BrandHuaweiLG
Release dateMarch, 2019March, 2019
Depth8.41 millimeters (0.33 inches)8.3 millimeters (0.33 inches)
Size (width x height)73.4 x 158 millimeters (2.89 x 6.22 in)71.9 x 153 millimeters (2.83 x 6.02 in)
Weight192 grams (6.72 ounces)150 grams (5.25 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)Huawei P30 Pro (L04 256GB)LG K40 (X420HM)
Operating systemAndroid 9.0 PieAndroid 8.1 Oreo
Firmware updateAndroid 10feature not registered
HardwareHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
Chipset64bit - HiSilicon Kirin 980 (7nm)64bit - MediaTek MT6762 Helio P22 (12nm)
CPU processorOcta-Core, 3 processors:
2.6Ghz Dual-Core ARM Cortex-A76
1.92Ghz Dual-Core ARM Cortex-A76
1.8Ghz Quad-Core ARM Cortex-A55
Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G76 MP10 720MhzPowerVR GE8320 650Mhz
RAM memory8GB LPDDR4X2GB LPDDR3
Internal storage256GB (238GB user free)
UFS 2.1
32GB (20GB user free)
eMMC 5.1
External storageUntil 256GB nano-Memory
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplayHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
Display typeOLEDTFT LCD IPS
Screen size6.47" inches5.7" inches
Screen-to-body ratio~88.6% (screen-to-body ratio)~76.2% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Display resolution1080x2340 pixels720x1440 pixels
Pixel density (dot pitch)398 PPI282 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Mobile networksHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
Dual-SIMNot supportedNot supported
SIM card1 slot
nano-SIM (4FF)
1 slot
nano-SIM (4FF)
Maximum download/upload1400/200 Mbps300/50 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 850/900/1700/1900/2100
Primary 4G networkLTE Cat21 (Bands 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 28, 66)
TD-LTE (Bands 34, 38, 39, 40)
VoLTE
LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported
CallingHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
CameraHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
Back camera (main camera)(quad camera)
40 megapixels
20MP ultrawide (f/2.2 16mm 1/2.7" PDAF)
8MP telephoto (f/3.4 125mm 1/4" PDAF OIS 5x-zoom)
0.04MP TOF 3D (Time-of-Flight)
16 megapixels
Main camera resolution7296x5472 pixels4608x3456 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashDual LED flashLED flash on both cameras
Focal aperturef/1.6 (aperture)f/2.0 (aperture)
Focal length27mm lensfeature not registered
Sensor size1/1.7" inches1/3" inches
Pixel sizefeature not registered1µm pixel
AutofocusLDAF/PDAF: laser/phase detection autofocusPDAF: 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 on both camerasHDR photo on both cameras
2ª cameraHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
Front camera (secondary)32 megapixels8 megapixels
Front camera resolution6528x4896 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedLED
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
MultimediaHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
RadioNot supportedFM
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
ConnectivityHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
USBUSB 3.1 Type-C reversible connectorMicroUSB 2.0, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio outputType-C reversible connector3.5mm 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)
DLNANot supportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging
Infrared portSupportedNot supported
Other functionsHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
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
Gyroscope
Hall effect
Face unlock
Fingerprint (under display)
Accelerometer
Proximity
Ambient Light
Fingerprint (rear-mounted)
Other features- Colors: Black, White, Aurora, Amber Sunrise, Breathing Crystal
- EMUI 9.1
- 19.5:9 ratio display
- DCI-P3, HDR10 display
- Leica optics on camera
- 32-bit/384kHz audio
- Dolby Atmos sound
- Huawei Pay
- Vapor chamber cooling system on processor
- WiFi direct, hotspot
- Colors: Black, Moroccan Blue, Platinum Gray
- 18:9 ratio FullVision display
- LED notification
- DTS-X Surround sound
- WiFi direct, hotspot
Power supplyHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
BatteryLiPo - Li-Ion polymer (Non removable)
Fast battery charging
Qi wireless charging
Reverse wireless charging between devices
Li-Ion (Non removable)
Battery capacity4200 mAh3000 mAh
Battery model / charger (watts)40W (15W wireless)feature not registered
Talk time autonomyfeature not registered480 minutes | 8 hours | 0.3 day
Standbyfeature not registered6000 minutes | 100 hours | 4.2 days
Radiation rateHuawei P30 Pro (L04 256GB)LG K40 (X420HM)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered