LG K40: specs, release date, camera, screen, size, reviews

Added 02.21.19 | Updated 02.25.20

LG K40

  • Rating: 5.00 out of 5 (1 votes)
  • Release Date:  February 25, 2024
  • Price
  • Processor
  • Storage and memory: 32 GB
  • Screen: IPS LCD 5.7 inc
  • Main Camera:  Single, 16MP
  • Selfie Camera:  Single, 8MP
  • Related ModelsLG K40S |

Table of contents

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LG K40 specs

Common | Price | Design | Screen | Hardware | Memory | Software | Main Camera | Selfie camera | Cellular | Connectivity | Battery | Audio | Sensors | Performance Benchmark

LG K40 Release dateCommon

Brand and model

LG K40

Other names

Also known as LG K12+, LG K12 Plus, LG X4 (2019)

Launch date

25 February 2024

LG K40 PricePrice

First price

LG K40 dimension, size, weightDesign


6.02 inc (153 mm)


2.83 inc ( 71.9 mm)


0.33 inc ( 8.3 mm)


5.29 oz (150 grams)

Build materials

Front glass, plastic body

Water resistant

MIL-STD-810G compliant


Black, Platinum, Blue

LG K40 screenScreen

Technology IPS LCD

5.7 inc

Screen Area

83.8 cm2


720 x 1440 px

Points per inch

282 PPI

Color Depth


Ratio (height:width)


Ratio (screen:body)


LG K40 ProcessorHardware


Mediatek MT6762 Helio P22 (12 nm)

Processor CPU

- Octa-core 2.0 GHz Cortex-A53

Graphics processor GPU

- PowerVR GE8320

LG K40 Memory and storageMemory

Internal Memory

32 GB, 2/3 GB RAM

Memory Card Slot

microSD, up to 512 GB (dedicated slot)

LG K40 SoftwareSoftware

Operating System (OS)

Android 8.1 (Oreo)

User Interface

LG K40 main camera specsMain Camera

Number of Cameras



-16 MP, f/2.0, PDAF


LED flash, panorama, HDR

Video Recording 1080p@30fps

LG K40 selfie camera specsSelfie camera

Number of Cameras



-8 MP, f/2.0


LED flash

LG K40 Cellular BandsCellular

Bands GSM / HSPA / LTE
Show all bands:
SIM Card Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by)

LG K40 wifi bluetooth gps nfcConnectivity

Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetooth 5.0, A2DP, LE
GPS Yes, with A-GPS
USB microUSB 2.0

LG K40 Battery type and CapacityBattery


3000 mAh


 Non-removable Li-Ion



LG K40 sound and multimediaAudio

Headphone Jack Yes
Radio FM radio
Others -DTS: X Surround Sound
-Active noise cancellation with dedicated mic


Fingerprint (rear-mounted), accelerometer, proximity

Other specifications


Performance Benchmark

LG K40 antutu score Antutu Score

Antutu 7 Score75203 (Position 491 out of 2128)

See the page LG K40 Antutu where you will find details about the Antutu result of the device, rankings, and similar models

Disclaimer: This information is based on public data and official specifications from LG. However, there may be differences in specifications.

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LG K40 Reviews and Opinions

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Frequently Asked Questions

The price of the LG K40 varies based on the specific model and storage capacity. As of the latest update, the base model starts at . Prices increase for models with larger storage capacity and additional features.
LG K40 mobile was launched on February 25, 2024 in these colors: Black, Platinum, Blue.
The LG K40 has dimensions of Height: 153 mm Width: 71.9 mm Thickness: 8.3 mm and weighs approximately 150 grams.
When measured as a standard rectangular shape, the screen is 5.7 inches diagonally offering a resolution of 720 x 1440 px at a pixel density of 282 ppi.
Device comes with chipset Mediatek MT6762 Helio P22 (12 nm) with processor Octa-core 2.0 GHz Cortex-A53. LG K40 is available with internal memory of 32 GB, 2/3 GB RAM.
The device have a Single rear camera setup with specs of 16 MP, f/2.0, PDAF and features like LED flash, panorama, HDR
The device comes with Single front camera setup with specs of 8 MP, f/2.0 and features like LED flash