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LG K40s (2GB + 32GB) Review | 197 Data compared

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  • Avg. price: ~£90
  • RAM capacity: 2 GB
  • Internal storage: 32 GB
  • Screen size: 6.1 inches
  • Main camera megapixels: 13 MP & 5 MP

LG K40s (2GB + 32GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

6.7

Overall score

What it is: An overall evaluation of the smartphone's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best smartphones on the market.

Score components:

90.0%

6.5

Technical Score

10.0%

7.8

User score

Good
6.5

Technical Score

What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

When it matters: When you want to compare smartphones based on technical performance and available features.

Score components:

25.0%

6.1

Performance & Hardware

18.0%

5.7

Camera

15.0%

6.1

Display

15.0%

7.5

Battery

10.0%

8.1

Software

10.0%

7.3

Connectivity

4.0%

5.0

Audio

3.0%

7.6

Design

Good
7.8

User score

What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

Score components:

70.0%

8.6

User reviews

30.0%

6.0

Popularity

Very good
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    Best prices

    Best rankings

    ?

    Available: ranking among products currently available (including other versions of this product).
    All: ranking among all products in the database.

    Technical Specifications of smartphone LG K40s (2GB + 32GB)

    Technical Score

    What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

    When it matters: When you want to compare smartphones based on technical performance and available features.

    Score components:

    25.0%

    6.1

    Performance & Hardware

    18.0%

    5.7

    Camera

    15.0%

    6.1

    Display

    15.0%

    7.5

    Battery

    10.0%

    8.1

    Software

    10.0%

    7.3

    Connectivity

    4.0%

    5.0

    Audio

    3.0%

    7.6

    Design

    6.5
    LG K40s (2GB + 32GB) has a technical score of 6.55 points, which is lower than 94.2% of smartphones.
    User score

    What it is: A rating that combines user reviews and the total number of reviews received by the smartphone

    When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

    Score components:

    70.0%

    8.6

    User reviews

    30.0%

    6.0

    Popularity

    7.8
    LG K40s (2GB + 32GB) has a user score of 7.83 points, which is lower than 73.1% of smartphones.
    Popularity
    What it is: An indicator based on the number of reviews received by the smartphone.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    6.0
    LG K40s (2GB + 32GB) has a popularity of 6 points, which is higher than 60.8% of smartphones.
    Ratio quality/price

    What it is: An indicator that combines the smartphone's overall rating with its cost.

    When it matters: When you are looking for a smartphone with a good balance between quality and price.

    Score components:

    60.0%

    6.7

    Overall score

    40.0%

    10

    Price

    8.0
    LG K40s (2GB + 32GB) has a quality-to-price ratio of 8 points, which is lower than 60.8% of smartphones.
    Brand name
    What it is: The manufacturer or brand under which the smartphone is marketed and sold.
    When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

    Importance: MEDIUM

    LG
    Processor model
    What it is: The central System-on-Chip (SoC) that houses the CPU, GPU, modem, and other core processing components.
    When it matters: When you want to know the specific engine powering your device's speed and features.

    Importance: HIGH

    MediaTek Helio P22
    RAM capacity
    What it is: The amount of volatile memory available for running apps and multitasking.
    When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

    Importance: HIGH

    Good value: >12 GB

    2 GB
    LG K40s (2GB + 32GB) has a RAM capacity of 2 GB which is smaller than the RAM capacity of 98.6% of smartphones and equal to that of 1.2% of smartphones.
    Internal storage
    What it is: The total built-in space available for apps, media, and files.
    When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

    Importance: HIGH

    Good value: >256 GB

    32 GB
    LG K40s (2GB + 32GB) has an internal storage capacity of 32 GB which is smaller than the storage of 97.6% of smartphones and equal to that of 1.7% of smartphones.
    CPU boost clock speed
    What it is: The maximum speed the processor can achieve temporarily under heavy load.
    When it matters: When you run demanding apps or games that require short bursts of peak performance.

    Importance: MEDIUM

    Good value: >3.2 GHz

    2.0 GHz
    The CPU boost clock speed of LG K40s (2GB + 32GB) is 2.0 GHz which is lower than the boost speed of 84.6% of smartphones and equal to that of 8.3% of smartphones.
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    Operating system
    What it is: The primary system software that manages the smartphone's hardware and software resources.
    When it matters: When you have a preference for the user interface and app ecosystem.

    Importance: HIGH

    Android
    Android 9 Pie
    LG K40s (2GB + 32GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 9 Pie
    Android version
    What it is: The specific generation number of the Android operating system installed on the device.
    When it matters: When you want to ensure app compatibility and access to the latest software features.

    Importance: LOW

    Android 9 Pie
    LG K40s (2GB + 32GB) runs Android version Android 9 Pie which is older than that found in 94.8% of smartphones and equal to that in 2.7% of smartphones.
    Direct OS updates
    What it is: Indicates whether the device receives operating system updates directly from the manufacturer or Google, ensuring timely security and feature updates.
    When it matters: When you want the fastest access to new features and security patches.

    Importance: HIGH

    no
    LG K40s (2GB + 32GB) does not receive direct OS updates. 20.5% of smartphones receive direct updates.
    Open-source OS
    What it is: Shows whether the device’s operating system is based on open-source code, allowing community contributions and greater transparency.
    When it matters: When you value transparency and potential community-driven modifications.

    Importance: LOW

    yes
    LG K40s (2GB + 32GB) uses an open-source OS. 94.6% of smartphones use an open-source OS.
    Dark mode
    What it is: A display option that uses dark backgrounds to reduce eye strain and save battery on OLED screens.
    When it matters: When you want to reduce eye strain at night or save battery on OLED screens.

    Importance: LOW

    yes
    LG K40s (2GB + 32GB) offers dark mode. 95.8% of smartphones support this feature.
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    Multi-lens main camera
    What it is: Indicates that the rear camera system includes multiple lenses (e.g., wide, ultra-wide, telephoto) for versatile shooting options.
    When it matters: When you want versatility to shoot wide landscapes, standard shots, and zoomed details.

    Importance: MEDIUM

    yes
    LG K40s (2GB + 32GB) includes a multi-lens main camera system. 93.7% of smartphones include multi-lens setups.
    Main camera megapixels
    What it is: The resolution of the primary rear camera sensor, measured in millions of pixels (MP). Higher megapixels can capture more detail.
    When it matters: When you want to capture high-resolution images that can be cropped or printed large.

    Importance: HIGH

    Good value: >50 MP

    13 MP & 5 MP
    Main camera aperture
    What it is: The size of the lens opening (f-stop) that controls light entry. A lower f-number indicates a wider aperture, allowing better low-light shots.
    When it matters: When you want better low-light performance or a natural background blur effect.

    Importance: HIGH

    f/2.2 & f/2.2
    Main camera sensor area
    What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.
    When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

    Importance: HIGH

    Good value: >60

    13 mm²
    LG K40s (2GB + 32GB) has a main camera sensor area of 13 mm² which is smaller than the main camera sensor area of 98.3% of smartphones and equal to that of 0.2% of smartphones.
    Main camera pixel size
    What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
    When it matters: When you shoot in low light and want reduced noise in your photos.

    Importance: MEDIUM

    Good value: ≥1.2 µm

    1 µm
    LG K40s (2GB + 32GB) has a main camera pixel size of 1 µm which is larger than in 57.7% of smartphones and equal to the size in 20% of smartphones.
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    Number of SIM slots
    What it is: The number of physical SIM cards or eSIM profiles the device can support simultaneously.
    When it matters: When you need to manage two different phone numbers or travel internationally with a local SIM.

    Importance: MEDIUM

    Good value: ≥2

    2
    LG K40s (2GB + 32GB) has 2 SIM slots, which is more than in 3.9% of smartphones and equal to the number in 96% of smartphones.
    Cellular module
    What it is: The hardware component capable of connecting to mobile cellular networks for voice and data.
    When it matters: When you need to stay connected to calls and internet away from Wi-Fi.

    Importance: LOW

    yes
    LG K40s (2GB + 32GB) includes a cellular module. 100% of smartphones include cellular modules.
    5G connectivity
    What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
    When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

    Importance: MEDIUM

    no
    LG K40s (2GB + 32GB) does not support 5G connectivity. 66.9% of smartphones support 5G.
    LTE support
    What it is: Support for Long-Term Evolution (4G) networks, providing high-speed mobile data.
    When it matters: When you need reliable mobile internet coverage in areas where 5G isn't available.

    Importance: HIGH

    yes
    LG K40s (2GB + 32GB) supports LTE. 99.7% of smartphones include LTE connectivity.
    Wi-Fi connectivity
    What it is: The ability to connect to wireless local area networks for internet access and local networking.
    When it matters: When you want to save mobile data and connect to home or public networks.

    Importance: HIGH

    yes
    LG K40s (2GB + 32GB) supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
    Show more
    Screen size
    What it is: The physical diagonal measurement of the display area, usually expressed in inches.
    When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

    Importance: MEDIUM

    Good value: ≥6.6 inches

    6.1 inches
    LG K40s (2GB + 32GB) has a screen size of 6.1 inches which is smaller than the screens of 92.1% of smartphones and equal to those of 2% of smartphones.
    Screen resolution
    What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.
    When it matters: When you want crisp text and sharp details in photos and videos.

    Importance: HIGH

    720 x 1520 px
    Pixel density
    What it is: The concentration of pixels on the display, measured in pixels per inch (PPI), affecting image clarity.
    When it matters: When you want the image to look perfectly smooth with no visible pixels.

    Importance: HIGH

    Good value: >400 ppi

    276 ppi
    LG K40s (2GB + 32GB) has a pixel density of 276 ppi which is lower than that of 78.6% of smartphones and equal to that of 0.1% of smartphones.
    Display type
    What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
    When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

    Importance: HIGH

    IPS LCD
    LG K40s (2GB + 32GB) uses a IPS LCD display type. 0% of smartphones use this display technology.
    Refresh rate
    What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
    When it matters: When you want scrolling to feel fluid and games to look smoother.

    Importance: HIGH

    Good value: ≥120 Hz

    60 Hz
    LG K40s (2GB + 32GB) supports a refresh rate of 60 Hz which is lower than in 84.3% of smartphones and equal to that in 15.7% of smartphones.
    Show more
    Battery capacity
    What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
    When it matters: When you want a general idea of how large the battery is physically.

    Importance: HIGH

    Good value: >5000 mAh

    3500 mAh
    LG K40s (2GB + 32GB) has a battery capacity of 3500 mAh which is smaller than the batteries in 94.5% of smartphones and equal to those in 0.4% of smartphones.
    Charging speed
    What it is: The maximum power input supported for wired charging, measured in Watts (W).
    When it matters: When you are in a rush and need to top up your battery quickly.

    Importance: HIGH

    Good value: >60 W

    ?
    Fast charging
    What it is: In the context of modern electronics, "Fast Charging" refers to any technology that delivers power significantly higher than the traditional USB baseline. While the industry standard for a basic charger is 5W (5V at 1A), a charger is generally classified as a fast charger if it provides at least 18W of power.
    When it matters: When you want to minimize the time your phone spends tethered to a wall outlet.

    Importance: MEDIUM

    no
    LG K40s (2GB + 32GB) does not support fast charging. 93.1% of smartphones support fast charging.
    GSMArena full wired charge time
    What it is: The time taken to charge the battery from 0% to 100% using the bundled or recommended charger, as measured by GSMArena.
    When it matters: When you want to know exactly how long it takes to charge from 0 to 100% in real-world tests.

    Importance: MEDIUM

    Good value: <45 min

    ?
    Wireless charging
    What it is: The ability to charge the battery without cables by placing the device on a compatible charging pad.
    When it matters: When you prefer the convenience of dropping your phone on a pad without fumbling with cables.

    Importance: MEDIUM

    no
    LG K40s (2GB + 32GB) does not support wireless charging. 25.3% of smartphones support wireless charging.
    Show more
    Stereo speakers
    What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
    When it matters: When you watch videos or play games without headphones and want immersive sound.

    Importance: MEDIUM

    no
    LG K40s (2GB + 32GB) does not include stereo speakers. 64.5% of smartphones provide stereo audio.
    3.5 mm headphone jack
    What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
    When it matters: When you prefer using traditional wired headphones without dongles or adapters.

    Importance: LOW

    yes
    LG K40s (2GB + 32GB) includes a 3.5 mm headphone jack. 45.4% of smartphones still offer this port.
    Number of microphones
    What it is: The total count of microphones on the device, used for audio recording, noise cancellation, and voice isolation.
    When it matters: When you want clear audio recording and better noise cancellation during calls.

    Importance: MEDIUM

    Good value: ≥3

    2
    LG K40s (2GB + 32GB) includes 2 microphones, which is more than in 10.5% of smartphones and equal to the number in 66.6% of smartphones.
    FM radio
    What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.
    When it matters: When you want to listen to local radio stations without using mobile data.

    Importance: LOW

    no
    LG K40s (2GB + 32GB) does not include an FM radio. 33.7% of smartphones offer FM radio functionality.
    aptX Lossless
    What it is: A Bluetooth technology designed to deliver CD-quality audio without data loss during transmission.
    When it matters: When you demand CD-quality audio over Bluetooth with no loss of detail.

    Importance: LOW

    no
    LG K40s (2GB + 32GB) does not support aptX Lossless. 12.9% of smartphones provide aptX Lossless.
    Show more
    Height
    What it is: The vertical dimension of the device.
    When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

    Importance: LOW

    Good value: <162 mm

    156.3 mm
    LG K40s (2GB + 32GB) has a height of 156.3 mm which is shorter than 89.9% of smartphones and equal to that of 0.1% of smartphones.
    Width
    What it is: The horizontal dimension of the device when held in portrait orientation.
    When it matters: When you care about how easy the phone is to grip and use with one hand.

    Importance: LOW

    Good value: <75 mm

    73.9 mm
    LG K40s (2GB + 32GB) has a width of 73.9 mm which is narrower than 84.1% of smartphones and equal to that of 1.2% of smartphones.
    Thickness
    What it is: The depth of the device profile, excluding the camera bump unless specified.
    When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

    Importance: LOW

    Good value: <8 mm

    8.6 mm
    LG K40s (2GB + 32GB) has a thickness of 8.6 mm which is thicker than 65% of smartphones and equal to that of 3.9% of smartphones.
    Weight
    What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
    When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

    Importance: MEDIUM

    Good value: <190 g

    172 g
    LG K40s (2GB + 32GB) weighs 172 g which is lighter than 92.1% of smartphones and equal to the weight of 0.7% of smartphones.
    Device volume
    What it is: The calculated total volume of the device's physical body.
    When it matters: When you want to understand the overall physical bulk of the device.

    Importance: LOW

    Good value: <98cm³

    91104 cm³
    LG K40s (2GB + 32GB) has a device volume of 91104 cm³ which is smaller than 67.1% of smartphones and equal to that of 0% of smartphones.
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    LG K40s (2GB + 32GB) vs the average smartphone

    • Higher on-device AI tier
      LG K40s (2GB + 32GB) runs on the productivity AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.
      AI CAM, Google Lens
      What it is: This level indicates how advanced the phone's on-device AI processing is, from basic assistance to more autonomous agentic tasks. A higher level usually enables faster, more private features such as live translation, writing help, and smarter photo edits without relying entirely on cloud processing.
      When it matters: When you travel or work in multiple languages and want instant translation, summarization, or writing help even with weak signal, this level determines how capable those on-device AI tools are.

      Importance: MEDIUM

      LG K40s (2GB + 32GB) runs on the productivity AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.productivity vs fundamental
    • 12.3% lighter
      LG K40s (2GB + 32GB) is lighter than the average smartphone (172 g vs 196.2 g). The average smartphone weighs 196.2 g.
      What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
      When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

      Importance: MEDIUM

      Good value: <190 g

      LG K40s (2GB + 32GB) is lighter than the average smartphone (172 g vs 196.2 g). The average smartphone weighs 196.2 g.172.0 g vs 196.2 g
    • 7.3 mm shorter
      LG K40s (2GB + 32GB) is shorter than the average smartphone (156.3 mm vs 163.6 mm). The average smartphone height is 163.6 mm.
      What it is: The vertical dimension of the device.
      When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

      Importance: LOW

      Good value: <162 mm

      LG K40s (2GB + 32GB) is shorter than the average smartphone (156.3 mm vs 163.6 mm). The average smartphone height is 163.6 mm.156.3 mm vs 163.6 mm
    • 2.1 mm narrower
      LG K40s (2GB + 32GB) is narrower than the average smartphone (73.9 mm vs 76 mm). The average smartphone width is 76 mm.
      What it is: The horizontal dimension of the device when held in portrait orientation.
      When it matters: When you care about how easy the phone is to grip and use with one hand.

      Importance: LOW

      Good value: <75 mm

      LG K40s (2GB + 32GB) is narrower than the average smartphone (73.9 mm vs 76 mm). The average smartphone width is 76 mm.73.9 mm vs 76.0 mm
    • Has a 3.5 mm headphone jack
      LG K40s (2GB + 32GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.4% of smartphones include a standard headphone jack.
      What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
      When it matters: When you prefer using traditional wired headphones without dongles or adapters.

      Importance: LOW

      LG K40s (2GB + 32GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.4% of smartphones include a standard headphone jack.
    • Supports 360° panorama
      LG K40s (2GB + 32GB) can capture 360° panoramas, the average smartphone cannot. 25.1% of smartphones support 360° panoramas.
      What it is: A camera mode that captures a complete spherical view of the surroundings by stitching together multiple images.
      When it matters: When you want to capture the full immersive environment around you in a single interactive image.

      Importance: LOW

      LG K40s (2GB + 32GB) can capture 360° panoramas, the average smartphone cannot. 25.1% of smartphones support 360° panoramas.
    • 2.89x cheaper
      LG K40s (2GB + 32GB) is cheaper than the average smartphone (£90 vs £260).
      LG K40s (2GB + 32GB) is cheaper than the average smartphone (£90 vs £260).£90 vs £260
    • 0.2 µm larger main camera pixel size
      LG K40s (2GB + 32GB) has a larger main camera pixel size than the average smartphone (1 µm vs 0.8 µm). The average pixel size is 0.8 µm.
      What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
      When it matters: When you shoot in low light and want reduced noise in your photos.

      Importance: MEDIUM

      Good value: ≥1.2 µm

      LG K40s (2GB + 32GB) has a larger main camera pixel size than the average smartphone (1 µm vs 0.8 µm). The average pixel size is 0.8 µm.1.0 µm vs 0.8 µm
    • Higher on-device AI tier
      LG K40s (2GB + 32GB) runs on the productivity AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.
    • Includes cross-site tracking protection
      LG K40s (2GB + 32GB) supports cross-site tracking prevention, the average smartphone does not. 32.2% of smartphones include this feature.
    • Supports 360° panorama
      LG K40s (2GB + 32GB) can capture 360° panoramas, the average smartphone cannot. 25.1% of smartphones support 360° panoramas.
    • 0.2 µm larger main camera pixel size
      LG K40s (2GB + 32GB) has a larger main camera pixel size than the average smartphone (1 µm vs 0.8 µm). The average pixel size is 0.8 µm.
    • Has a 3.5 mm headphone jack
      LG K40s (2GB + 32GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.4% of smartphones include a standard headphone jack.
    • 12.3% lighter
      LG K40s (2GB + 32GB) is lighter than the average smartphone (172 g vs 196.2 g). The average smartphone weighs 196.2 g.
    • 7.3 mm shorter
      LG K40s (2GB + 32GB) is shorter than the average smartphone (156.3 mm vs 163.6 mm). The average smartphone height is 163.6 mm.
    • 2.1 mm narrower
      LG K40s (2GB + 32GB) is narrower than the average smartphone (73.9 mm vs 76 mm). The average smartphone width is 76 mm.

    Total
    Overall
    Software
    Camera
    Audio
    Design
    • 87.5% less storage
      LG K40s (2GB + 32GB) offers less internal storage than the average smartphone (32 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.
    • 57.1% lower maximum RAM capacity
      LG K40s (2GB + 32GB) supports less maximum RAM than the average smartphone (6 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
    • 6 GB less RAM
      LG K40s (2GB + 32GB) has less RAM than the average smartphone (2 GB vs 8 GB). The average smartphone has 8 GB of RAM.
    • 2x larger process node
      LG K40s (2GB + 32GB) is manufactured on a larger process node than the average smartphone (12 nm vs 6 nm). The average smartphone uses a 6 nm process.
    • 41.8% slower memory speed
      LG K40s (2GB + 32GB) has a lower memory speed than the average smartphone (1600 MHz vs 2750 MHz). The average smartphone has a memory speed of 2750 MHz.
    • 31.6% slower GPU clock
      LG K40s (2GB + 32GB) has a lower GPU frequency than the average smartphone (650 MHz vs 950 MHz). The average smartphone has a GPU frequency of 950 MHz.
    • 16.7% lower CPU boost clock speed
      LG K40s (2GB + 32GB) has a lower CPU boost clock speed than the average smartphone (2 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • 16.7% higher TDP (less efficient)
      LG K40s (2GB + 32GB) has a higher TDP than the average smartphone (5 W vs 6 W). The average smartphone has a TDP of 6 W.
    • No live text recognition
      LG K40s (2GB + 32GB) does not support live text recognition, the average smartphone does. 51.1% of smartphones offer real-time text recognition.
    • No Wi-Fi password sharing
      LG K40s (2GB + 32GB) does not support Wi-Fi password sharing, the average smartphone does. 57.9% of smartphones allow easy Wi-Fi sharing.
    • Older Android version
      LG K40s (2GB + 32GB) runs an older Android version than the average smartphone (Android 9 Pie vs Android 14 ). The average smartphone runs Android version Android 14 .
    • No scrolling screenshot support
      LG K40s (2GB + 32GB) does not support scrolling screenshots, the average smartphone does. 81.1% of smartphones allow scrolling screenshots.
    • No dynamic theme support
      LG K40s (2GB + 32GB) does not support dynamic themes, the average smartphone does. 82% of smartphones support dynamic theming.
    • Does not allow play while downloading
      LG K40s (2GB + 32GB) cannot play games while downloading, the average smartphone can. 77.3% of smartphones support play-while-downloading.
    • 59.4% smaller main camera sensor area
      LG K40s (2GB + 32GB) has a smaller main camera sensor area than the average smartphone (13 mm² vs 32 mm²). The average smartphone sensor area is 32 mm².
    • No slow-motion recording
      LG K40s (2GB + 32GB) does not support slow-motion recording, the average smartphone does. 90.3% of smartphones offer slow-mo features.
    • No timelapse video
      LG K40s (2GB + 32GB) does not support timelapse video, the average smartphone does. 92.2% of smartphones include timelapse modes.
    • No continuous autofocus in video
      LG K40s (2GB + 32GB) does not support continuous autofocus in video, the average smartphone does. 94.5% of smartphones have continuous AF.
    • No manual focus mode
      LG K40s (2GB + 32GB) does not have a manual focus mode, the average smartphone does. 91.9% of smartphones offer manual focus.
    • No manual exposure control
      LG K40s (2GB + 32GB) does not offer manual exposure control, the average smartphone does. 94.1% of smartphones have manual exposure.
    • Worse main camera video quality
      LG K40s (2GB + 32GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    • No 5G connectivity
      LG K40s (2GB + 32GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • Lacks USB Type-C
      LG K40s (2GB + 32GB) lacks a USB Type-C port, the average smartphone includes one. 96.9% of smartphones use USB Type-C.
    • No gyroscope
      LG K40s (2GB + 32GB) does not have a gyroscope, the average smartphone does. 84.3% of smartphones feature a gyroscope.
    • Older Bluetooth version
      LG K40s (2GB + 32GB) uses an older Bluetooth version than the average smartphone (5.0 vs 5.2). The average smartphone uses Bluetooth 5.2.
    • No compass
      LG K40s (2GB + 32GB) does not have a compass, the average smartphone does. 93.3% of smartphones include a built-in compass.
    • Inferior display type
      LG K40s (2GB + 32GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.
    • 50% lower refresh rate
      LG K40s (2GB + 32GB) has a lower refresh rate than the average smartphone (60 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
    • 0.57 inches smaller screen size
      LG K40s (2GB + 32GB) has a smaller screen size than the average smartphone (6.1 inches vs 6.67 inches). The average smartphone has a screen size of 6.67 inches.
    • 30.1% lower pixel density
      LG K40s (2GB + 32GB) has a lower pixel density than the average smartphone (276 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • 30% smaller battery capacity
      LG K40s (2GB + 32GB) has a smaller battery capacity than the average smartphone (3500 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.
    • No fast charging support
      LG K40s (2GB + 32GB) does not support fast charging, the average smartphone does. 93.1% of smartphones feature fast charging.
    • No stereo speakers
      LG K40s (2GB + 32GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • No aptX HD
      LG K40s (2GB + 32GB) does not support aptX HD, the average smartphone does. 50.4% of smartphones support aptX HD.
    • No LDAC support
      LG K40s (2GB + 32GB) does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
    • 1.5 m shallower water resistance
      LG K40s (2GB + 32GB) has a shallower water resistance depth than the average smartphone (0 m vs 1.5 m). The average smartphone is resistant to 1.5 m.
    • 0.3 mm thicker
      LG K40s (2GB + 32GB) is thicker than the average smartphone (8.6 mm vs 8.3 mm). The average smartphone has a thickness of 8.3 mm.
    • 5 older model
      LG K40s (2GB + 32GB) is an older model than the average smartphone (2,019 vs 2,024). 5.00% of smartphones were released more recently.
      September 2019
    • Inferior display type
      LG K40s (2GB + 32GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.
      What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
      When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

      Importance: HIGH

      LG K40s (2GB + 32GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.IPS LCD vs OLED/AMOLED
    • 87.5% less storage
      LG K40s (2GB + 32GB) offers less internal storage than the average smartphone (32 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.
      What it is: The total built-in space available for apps, media, and files.
      When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

      Importance: HIGH

      Good value: >256 GB

      LG K40s (2GB + 32GB) offers less internal storage than the average smartphone (32 GB vs 256 GB). The average smartphone includes 256 GB of internal storage.32 GB vs 256 GB
    • No 5G connectivity
      LG K40s (2GB + 32GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
      What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
      When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

      Importance: MEDIUM

      LG K40s (2GB + 32GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • No stereo speakers
      LG K40s (2GB + 32GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
      What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
      When it matters: When you watch videos or play games without headphones and want immersive sound.

      Importance: MEDIUM

      LG K40s (2GB + 32GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • 50% lower refresh rate
      LG K40s (2GB + 32GB) has a lower refresh rate than the average smartphone (60 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
      What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
      When it matters: When you want scrolling to feel fluid and games to look smoother.

      Importance: HIGH

      Good value: ≥120 Hz

      LG K40s (2GB + 32GB) has a lower refresh rate than the average smartphone (60 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.60 Hz vs 120 Hz
    • 57.1% lower maximum RAM capacity
      LG K40s (2GB + 32GB) supports less maximum RAM than the average smartphone (6 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
      What it is: The highest amount of RAM that the device’s chipset or architecture can support, regardless of how much is actually installed.
      When it matters: When you are considering the long-term potential of the hardware platform.

      Importance: MEDIUM

      Good value: >16 GB

      LG K40s (2GB + 32GB) supports less maximum RAM than the average smartphone (6 GB vs 14 GB). The average smartphone supports 14 GB of RAM.6 GB vs 14 GB
    • 30% smaller battery capacity
      LG K40s (2GB + 32GB) has a smaller battery capacity than the average smartphone (3500 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.
      What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
      When it matters: When you want a general idea of how large the battery is physically.

      Importance: HIGH

      Good value: >5000 mAh

      LG K40s (2GB + 32GB) has a smaller battery capacity than the average smartphone (3500 mAh vs 5000 mAh). The average smartphone has a capacity of 5000 mAh.3500 mAh vs 5000 mAh
    • 2x larger process node
      LG K40s (2GB + 32GB) is manufactured on a larger process node than the average smartphone (12 nm vs 6 nm). The average smartphone uses a 6 nm process.
      What it is: The size of the manufacturing process used to create the chip's transistors, measured in nanometers (nm). Smaller nodes generally indicate more advanced, power-efficient chips.
      When it matters: When you want a chipset that is more power-efficient and generates less heat.

      Importance: HIGH

      Good value: <6 nm

      LG K40s (2GB + 32GB) is manufactured on a larger process node than the average smartphone (12 nm vs 6 nm). The average smartphone uses a 6 nm process.12 nm vs 6 nm
    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Battery
    Audio
    Design

    Graphic comparison of LG K40s (2GB + 32GB) and other smartphones

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    Third-party reviews

    What customers like about LG K40s (2GB + 32GB)?

    • Competitive price point and high affordability
    • Strong battery life, with some users reporting up to two days of use
    • Durable build quality with MIL-STD-810G military-grade certification
    • Compact and lightweight design that is comfortable to hold
    • Includes useful legacy features like a 3.5mm headphone jack and FM radio
    • Dedicated Google Assistant button for quick voice commands

    What customers dislike about LG K40s (2GB + 32GB)?

    • Frequent performance issues, including freezing and lag over time
    • Poor gaming performance; struggles with modern titles even at low settings
    • Low camera quality, particularly in low-light conditions
    • Limited internal storage (often 16GB or 32GB) that fills up quickly
    • Slow charging speeds due to the older micro-USB port
    • Outdated software support, with many units stuck on Android 10 or older

    Expert reviews

    A
    alatest.fr
    ?
    09/03/2026
    LG K40S | Reviews, Tests and Prices - alaTest.com

    The LG K40S is a budget-friendly 6.1-inch smartphone featuring a durable, ergonomic design with MIL-STD-810G certification for drops. While it includes useful features like a dedicated Google Assistant button and DTS:X sound, the 720p display suffers from low brightness and washed-out colors. Performance is limited by a MediaTek Helio P22 processor and 2GB/3GB RAM, causing slow...Read more

    (Translated)Show original

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