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LG Optimus L3 (E400) vs LG K40 (X420EMW)

Side by side comparison between LG Optimus L3 vs LG K40 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K40 X LG Optimus L3 (E400) 03Points
3.2"
TFT

240x320

3.1
MP
384MB
RAM

Single-core

1500
mAh

(Removable)

vs
5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? LG K40 (X420EMW)

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!

Optimus L3 (E400)} 3 Advantages LG Optimus L3 (E400) vs K40 (X420EMW)} 28 Advantages LG K40 (X420EMW)
+119 grams (4.17 ounces)22%
Lighter
vs145 grams (5.08 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLi-Ion: lithium-ion (Non removable)
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
vsNot supported
800MHz 32bit Single-corevs+2GHz 64bit Octa-core (12nm)4 times
More powerful processor, you can open your applications faster
384MBvs+2GB LPDDR34 times
More RAM memory. Typically more responsive and better for multitasking.
1GB (150MB available)vs+32GB (20GB available)136 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 1TB microSD, microSDXC31 times
More external storage for files using memory cards
11.85 millimeters (0.47 inches)vs+8.3 millimeters (0.33 inches)43%
Thinner
TFT LCDvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
260 thousandvs+16 million61 times
More colors on the screen is better quality images and videos
240x320 pixelsvs+720x1440 pixels13 times
Higher resolution screen
125 PPIvs+282 PPI126%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.2"vs+5.7"78%
Larger screen
(back) 3.1MPvs+(back) 16MP4 times
Higher resolution main camera
Not supportedvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
Not supportedvs+PDAF: phase detection autofocusAdvantage
Best autofocus type for taking pictures
Not supportedvs+(front) 8MPAdvantage
A front-camera is best for taking selfies
VGA (640x480)vs+Full HD (1920x1080)6 times
More image quality for recording videos with the primary camera
Android 2.3.6 Gingerbreadvs+Android 8.1 OreoAdvantage
Android 8.1 Oreo is newer and safer
3G HSDPAvs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G HSDPA) 3.6 Mbpsvs+(4G LTE-A) 300 Mbps82 times
Faster for surfing the internet and download files
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
1500 mAhvs+3000 mAh100%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Video callingAdvantage
The video calling allows to make calls with voice and video
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
3.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
HTML, XHTML, Flash playervs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

10 Common items in both devices
Only digital zoom
Capacitive
Multitouch
Accelerometer
Proximity sensor
Hands-free calling
Vibrating alert
+3 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

๐Ÿ“ฑ Model features

LG Optimus L3 (E400)LG K40 (X420EMW)
ModelOptimus L3 (E400)K40 (X420EMW)
Other model namesLG Optimus L3 Single-Sim, LGE400, LG-E400LG K40 LMX420EMW NFC Dual-sim, LM-X420EMW, LG-LMX420EMW
Country or region availablefeature not registered(Global, International)(Europe)
(Global, International), (Europe)
BrandLGLG
Release date2/21/20123/31/2019
Depth11.85 millimeters (0.47 inches)8.3 millimeters (0.33 inches)
Size (width x height)61.6 x 102.6 millimeters (2.43 x 4.04 in)71.9 x 153 millimeters (2.83 x 6.02 in)
Weight119 grams (4.17 ounces)145 grams (5.08 ounces)
Build, materialsfeature not registeredPlastic 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.

๐Ÿ“ฒ Display

LG Optimus L3 (E400)LG K40 (X420EMW)
Display typeTFT LCDTFT IPS LCD
Screen size3.2" inches5.7" inches
Screen-to-body ratio~50.2% (screen-to-body ratio)~76.2% (screen-to-body ratio)
Display resolution240x320 pixels720x1440 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)125 PPI282 PPI
Colors260 thousand16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

๐Ÿค– Operating System

LG Optimus L3 (E400)LG K40 (X420EMW)
System versionAndroid 2.3.6 GingerbreadAndroid 8.1 Oreo
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

โš™๏ธ Processor

LG Optimus L3 (E400)LG K40 (X420EMW)
Chipset32bit: Qualcomm MSM7225A64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUSingle-core, 1 processor:
1x 800MHz ARM Cortex-A5 (Single-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 200PowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

๐Ÿ’ฝ Memory and storage

LG Optimus L3 (E400)LG K40 (X420EMW)
RAM memory384MB2GB LPDDR3
Internal storage1GB (150MB available)32GB (20GB available)
eMMC 5.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

๐Ÿ“ถ Mobile networks

LG Optimus L3 (E400)LG K40 (X420EMW)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload3.6 Mbps300/50 Mbps
Network technology2G, 3G2G, 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 networkUMTS 900/2100UMTS 850/900/1900/2100
Primary 4G networkNot supportedLTE Cat6 (Bands 1, 3, 5, 7, 8, 20)
TD-LTE (Bands 38)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPAGPRS, 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

๐Ÿ“ท Camera

LG Optimus L3 (E400)LG K40 (X420EMW)
Back camera (main camera)3.1 megapixels16 megapixels
Main camera resolution2048x1536 pixels4608x3456 pixels
Video recording (primary)VGA (640x480) 24 fpsFull HD (1920x1080) 30 fps
FlashNot supportedLED flash on both cameras
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1ยตm pixel
AutofocusNot supportedPDAF: phase detection autofocus
Touch focusfeature not registeredSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionfeature not registeredFace detection, Smile detection
BSI sensorfeature not registeredNot supported
HDRfeature not registeredHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

๐Ÿ“ธ Front camera

LG Optimus L3 (E400)LG K40 (X420EMW)
Front camera (secondary)Not supported8 megapixels
Front camera resolutionNot supported3264x2448 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedLED
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

๐Ÿ”‰ Sound and multimedia

LG Optimus L3 (E400)LG K40 (X420EMW)
LoudspeakerSupportedSupported
Active noise cancellationfeature not registered2 microphones or more
RadioFM (RDS)Not supported
TVNot supportedNot supported
Video formatsMP4, H.263, H.264, WMVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, WMA, eAAC+, FLAC

๐Ÿ”Œ Connectivity

LG Optimus L3 (E400)LG K40 (X420EMW)
USBMicroUSB 2.0MicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth3.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNAfeature not registeredSupported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging
NFCNot supportedSupported
Infrared portfeature not registeredNot supported

๐Ÿงญ Sensors

LG Optimus L3 (E400)LG K40 (X420EMW)
SensorsAccelerometer
Proximity sensor
Accelerometer
Ambient light sensor
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

๐Ÿ”‹ Battery

LG Optimus L3 (E400)LG K40 (X420EMW)
Battery typeLi-Ion: lithium-ion (Removable)
BL-44JN
Li-Ion: lithium-ion (Non removable)
Battery capacity1500 mAh3000 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy10 hours8 hours
Standby600 hours (25 days)100 hours (4.2 days)

โž• Other features

LG Optimus L3 (E400)LG K40 (X420EMW)
Call controlVoice recorderVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, Flash playerHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneousโ€ข Colors: Black, White
โ€ข LG Optimus UI
โ€ข DLNA
โ€ข LG SmartShare
โ€ข Java framework
โ€ข Colors: Black, Moroccan Blue, Platinum Gray
โ€ข 18:9 ratio FullVision display
โ€ข LED notification
โ€ข DTS-X Surround sound

โ˜ข๏ธ Radiation rate

LG Optimus L3 (E400)LG K40 (X420EMW)
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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