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Lenovo Tab K12 WiFi (12GB + 256GB) Review | 168 Data compared

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  • Avg. price: ~£250
  • RAM capacity: 12 GB
  • Internal storage: 256 GB
  • Screen size: 12.1 inches
  • Chipset: MediaTek Dimensity 6400

Lenovo Tab K12 WiFi (12GB + 256GB) review. Compare 168 technical specifications and user reviews to see how it ranks among tablets and if it is worth buying.

7.8

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 Tablets on the market.

Score components:

90.0%

7.9

Technical Score

10.0%

7.4

User score

Very good
7.9

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 Tablets based on technical performance and available features.

Score components:

22.0%

8.5

Performance

20.0%

7.7

Display

16.0%

7.6

Camera

14.0%

8.8

Battery

12.0%

6.4

Connectivity

8.0%

8.6

Software & Features

5.0%

6.7

Design

3.0%

6.9

Audio & Multimedia

Very good
7.4

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%

10

User reviews

30.0%

1.2

Popularity

User score:
United Kingdom
amazon
5.0
(2)

(Reviews last updated: May 2026)

Very good
  • 8.7
    Gaming

    Score components:

    25.0%

    10

    RAM capacity

    20.0%

    5.5

    Refresh rate

    20.0%

    9.0

    GPU frequency

    20.0%

    9.1

    Chipset

    15.0%

    10

    Battery capacity

  • 9.2
    School

    Score components:

    20.0%

    9.1

    Chipset

    20.0%

    8.8

    Battery life

    20.0%

    10

    RAM capacity

    10.0%

    6.3

    Weight

    10.0%

    10

    Internal storage

    10.0%

    10

    Keyboard accessory

    10.0%

    10

    Screen size

  • 9.3
    Work

    Score components:

    30.0%

    10

    RAM capacity

    25.0%

    9.1

    Chipset

    20.0%

    10

    Internal storage

    15.0%

    10

    Screen size

    5.0%

    10

    Keyboard accessory

    5.0%

    1.0

    Stylus included

  • 8.8
    Seniors

    Score components:

    20.0%

    10

    Screen size

    20.0%

    8.8

    Battery life

    20.0%

    6.3

    Weight

    20.0%

    10

    RAM capacity

    20.0%

    9.1

    Chipset

  • 9.4
    Kids

    Score components:

    25.0%

    10

    Battery capacity

    25.0%

    10

    RAM capacity

    15.0%

    6.3

    Weight

    15.0%

    10

    Internal storage

    10.0%

    10

    Screen size

    10.0%

    9.2

    Price

  • 7.3
    Travel

    Score components:

    20.0%

    10

    RAM capacity

    20.0%

    8.8

    Battery life

    15.0%

    9.1

    Chipset

    15.0%

    6.3

    Weight

    10.0%

    1.0

    Cellular module

    10.0%

    1.0

    5G connectivity

    5.0%

    10

    GPS

    5.0%

    10

    Internal storage

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Best prices in UK

Best rankings

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

Available versions:
12GB + 256GB
Other versions:
8GB + 128GB8GB + 256GB

Verdict

The Lenovo Tab K12 is a high-performance 12.1-inch tablet featuring a vibrant 2.5K (2560 x 1600) IPS display with a 90Hz refresh rate and 600 nits of brightness. It is powered by an octa-core MediaTek Dimensity 6400 processor paired with a substantial 12GB of LPDDR4x RAM and 256GB of UFS 2.2 internal storage, expandable via microSD up to 2TB. Main characteristics include a premium metal chassis, a quad-speaker system optimized with Dolby Atmos, and a massive 10,200 mAh battery supporting long-duration streaming. Key pros are its large high-resolution screen, high memory capacity for multitasking, and the inclusion of Android 15. However, notable cons include its limited USB 2.0 data transfer speeds and a relatively modest 13MP rear camera for its class.

Technical Specifications of tablet Lenovo Tab K12 WiFi (12GB + 256GB)

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 Tablets based on technical performance and available features.

Score components:

22.0%

8.5

Performance

20.0%

7.7

Display

16.0%

7.6

Camera

14.0%

8.8

Battery

12.0%

6.4

Connectivity

8.0%

8.6

Software & Features

5.0%

6.7

Design

3.0%

6.9

Audio & Multimedia

7.9
Lenovo Tab K12 WiFi (12GB + 256GB) has a technical score of 7.86 points, which is higher than 85.1% of Tablets.
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%

10

User reviews

30.0%

1.2

Popularity

User score:
United Kingdom
amazon
5.0
(2)

(Reviews last updated: May 2026)

7.4
Lenovo Tab K12 WiFi (12GB + 256GB) has a user score of 7.36 points, which is lower than 81.3% of Tablets.
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.
1.2
Lenovo Tab K12 WiFi (12GB + 256GB) has a popularity of 1.2 points, which is higher than 57.5% 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%

7.8

Overall score

40.0%

9.2

Price

8.2
Lenovo Tab K12 WiFi (12GB + 256GB) has a quality-to-price ratio of 8.2 points, which is higher than 92.3% of smartphones.
Brand name
What it is: The manufacturer or brand of the product.
When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

Lenovo
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: >=8 GB

12 GB
Lenovo Tab K12 WiFi (12GB + 256GB) has a RAM capacity of 12 GB which is larger than the RAM capacity of 90.1% of tablets and equal to that of 6.1% of tablets.
Process node
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: <7 nm

6 nm
Lenovo Tab K12 WiFi (12GB + 256GB) is built on a 6 nm nm process node, which is smaller than the node size used in 76.4% of tablets and equal to the node used in 8.2% of tablets.
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: >=128 GB

256 GB
Lenovo Tab K12 WiFi (12GB + 256GB) has an internal storage capacity of 256 GB which is larger than the storage of 76.5% of tablets and equal to that of 15.7% of tablets.
Geekbench 6 single-core benchmark score
What it is: A cross-platform benchmark by Primate Labs that measures single-core CPU performance. It reflects how quickly a device handles everyday tasks that rely on a single processing core.
When it matters: When you want snappy responsiveness in everyday interactions and simple apps.

Importance: HIGH

Good value: >1300

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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 text and media to look sharper on a larger display.

Importance: HIGH

2560×1600
Lenovo Tab K12 WiFi (12GB + 256GB) has a screen resolution of 2560×1600 which is higher than that of 77.5% of tablets and equal to that of 10.1% of tablets.
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

90 Hz
Lenovo Tab K12 WiFi (12GB + 256GB) supports a refresh rate of 90 Hz which is higher than in 73.8% of tablets and equal to that in 6.5% of tablets.
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
Lenovo Tab K12 WiFi (12GB + 256GB) uses a IPS LCD display type. 75.4% of tablets use this display technology.
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 read a lot, look at fine details, or want text and graphics to look cleaner at close range.

Importance: HIGH

Good value: >250 ppi

249 ppi
Lenovo Tab K12 WiFi (12GB + 256GB) has a pixel density of 249 ppi which is higher than that of 67.3% of tablets and equal to that of 1.9% of tablets.
Display glass type
What it is: The specific brand or model of strengthened glass used to protect the screen from scratches and drops.
When it matters: When drops, scratches, or long-term screen wear are a concern in daily use.

Importance: HIGH

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Optical image stabilization
What it is: A hardware mechanism that physically moves the camera lens or sensor to counteract hand shakiness and reduce blur in photos and videos.
When it matters: When you want to reduce blur in photos and shake in videos, especially in low light.

Importance: HIGH

no
Lenovo Tab K12 WiFi (12GB + 256GB) does not support optical image stabilization. 0.4% of tablets include OIS.
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

13 MP
Lenovo Tab K12 WiFi (12GB + 256GB) has a main camera resolution of 13 MP MP which is higher than that of 75% of tablets and equal to that of 20.8% of tablets.
Front camera megapixels
What it is: The resolution of the front-facing camera, measured in megapixels, determining the detail level of selfies.
When it matters: When you want detailed selfies or high-quality video for calls and streaming.

Importance: HIGH

Good value: >=8 MP

8 MP
Lenovo Tab K12 WiFi (12GB + 256GB) has a front camera resolution of 8 MP MP which is higher than in 69.8% of tablets and equal to that in 19.4% of tablets.
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
Lenovo Tab K12 WiFi (12GB + 256GB) has a main camera aperture of f/2.2 which is wider than that of 30% of tablets and equal to that of 27.6% of tablets.
Optical zoom
What it is: A true zoom feature that adjusts the camera lens to get closer to the subject without losing image quality, unlike digital zoom.
When it matters: When you want to get closer to a distant subject without losing image clarity.

Importance: HIGH

1xx
Lenovo Tab K12 WiFi (12GB + 256GB) supports 1x x optical zoom which is higher than in 18.4% of tablets and equal to that in 80.7% of tablets.
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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 stronger chance of longer battery life, especially if you use the tablet heavily away from a charger.

Importance: HIGH

Good value: >8000 mAh

10,200 mAh
Lenovo Tab K12 WiFi (12GB + 256GB) has a battery capacity of 10,200 mAh which is larger than the batteries in 93.7% of tablets and equal to those in 0.9% of tablets.
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: >30 W

45 W
Lenovo Tab K12 WiFi (12GB + 256GB) supports charging speeds of 45 W which is faster than in 83.8% of tablets and equal to speeds in 6.7% of tablets.
Battery life
What it is: An estimate of how long the tablet can run on one charge.
When it matters: When you do not want to recharge the tablet too often.

Importance: HIGH

Good value: >10 hours

13 hours
Lenovo Tab K12 WiFi (12GB + 256GB) has a battery life of 13 hours, which is longer than that of 76.1% of tablets and equal to that of 4.9% of tablets.
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 want to charge the tablet by placing it on a compatible pad.

Importance: MEDIUM

no
Lenovo Tab K12 WiFi (12GB + 256GB) does not support wireless charging. 1.5% of tablets support wireless charging.
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 tablet spends tethered to a wall outlet.

Importance: MEDIUM

yes
Lenovo Tab K12 WiFi (12GB + 256GB) supports fast charging. 49.3% of tablets support fast charging.
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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

?
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
Lenovo Tab K12 WiFi (12GB + 256GB) supports Wi-Fi connectivity. 99.9% of tablets offer Wi-Fi support.
GPS
What it is: Support for the Global Positioning System to determine the device's precise location.
When it matters: When you need accurate navigation for driving, walking, or exploring new places.

Importance: HIGH

yes
Lenovo Tab K12 WiFi (12GB + 256GB) supports GPS. 83.2% of tablets include GPS functionality.
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
Lenovo Tab K12 WiFi (12GB + 256GB) does not support 5G connectivity. 10.8% of tablets support 5G.
This version is Wi-Fi only and does not include a 5G cellular modem.
NFC
What it is: Near Field Communication technology that enables contactless payments, quick pairing, and data exchange over short distances.
When it matters: When you want to make contactless payments or quickly pair with compatible accessories.

Importance: MEDIUM

no
Lenovo Tab K12 WiFi (12GB + 256GB) does not support NFC. 9.8% of tablets include NFC.
Show more
Operating system
What it is: The primary system software that manages the tablet's hardware and software resources.
When it matters: When you have a preference for the user interface and app ecosystem.

Importance: HIGH

Android
Lenovo Tab K12 WiFi (12GB + 256GB) uses the Android operating system, which is more advanced than the one used by 23.7% of tablets.
Update support duration
What it is: The expected length of software update support for the tablet.
When it matters: When you care about how long the tablet should keep getting software updates.

Importance: HIGH

medium
Lenovo Tab K12 WiFi (12GB + 256GB) offers medium update support, which is longer than the support period of 43.1% of tablets and equal to that of 36.1% of tablets.
Direct OS updates
What it is: Receives major operating system updates directly from the device maker or platform provider instead of waiting on extra intermediaries.
When it matters: When fast access to new Android or system features and security patches matters to you.

Importance: HIGH

yes
Lenovo Tab K12 WiFi (12GB + 256GB) receives direct OS updates. 79.4% of tablets receive direct updates.
On-device AI
What it is: A tablet feature related to on-device ai.
When it matters: When you use smart writing, photo, voice, or search features and want them to work faster or more privately on the tablet itself.

Importance: MEDIUM

?
App tracking protection
What it is: A system-level feature that limits how apps track user behavior across other apps and services.
When it matters: When you want to stop apps from following your activity across other companies' apps and websites.

Importance: MEDIUM

no
Lenovo Tab K12 WiFi (12GB + 256GB) does not include app tracking protection. 25.2% of tablets support this feature.
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IP rating
What it is: A standardized code (Ingress Protection) indicating the device's resistance to dust and water intrusion.
When it matters: When you use the tablet around water, outdoors, or in dusty environments and want more durability.

Importance: MEDIUM

?
Weight
What it is: The total mass of the tablet, affecting how heavy it feels in the hand.
When it matters: When you want the tablet to be easier to carry and hold for longer sessions.

Importance: MEDIUM

Good value: <500 g

530 g
Lenovo Tab K12 WiFi (12GB + 256GB) weighs 530 g which is heavier than 62.2% of tablets and equal to the weight of 0.6% of tablets.
Backlit keyboard
What it is: A keyboard with illuminated keys for easier typing in darker environments.
When it matters: When you type in dim rooms or low light.

Importance: MEDIUM

no
Lenovo Tab K12 WiFi (12GB + 256GB) does not support a backlit keyboard. 8.9% of tablets support this accessory feature.
Keyboard accessory
What it is: Support for a keyboard accessory made for the tablet.
When it matters: When you want the tablet to work more like a small laptop.

Importance: MEDIUM

yes
Lenovo Tab K12 WiFi (12GB + 256GB) supports a keyboard accessory. 83.4% of tablets support this option.
Pen latency
What it is: The delay between stylus input and the line or action appearing on screen, usually measured in milliseconds.
When it matters: When you want stylus input to feel quicker and more natural.

Importance: MEDIUM

Good value: <10 ms

?
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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: >=2

2
Lenovo Tab K12 WiFi (12GB + 256GB) includes 2 microphones, which is more than in 55.4% of tablets and equal to the number in 33% of tablets.
aptX Adaptive
What it is: A Bluetooth codec that dynamically adjusts bitrate to balance audio quality and connection stability.
When it matters: When you use wireless headphones in changing environments and want better audio quality without sacrificing connection stability.

Importance: MEDIUM

no
Lenovo Tab K12 WiFi (12GB + 256GB) does not support aptX Adaptive. 4.9% of tablets offer this codec.
No confirmed built-in aptX Adaptive Bluetooth codec support.
Dolby Atmos support
What it is: Support for Dolby Atmos audio playback or processing.
When it matters: When you want more immersive sound from compatible movies, games, or music.

Importance: MEDIUM

yes
Lenovo Tab K12 WiFi (12GB + 256GB) supports Dolby Atmos. 26.4% of tablets support this audio feature.
Supports Dolby Atmos audio.
N. of speakers
What it is: The number of built-in speakers used for audio playback.
When it matters: When you want fuller sound without always using headphones.

Importance: MEDIUM

Good value: >=4

4
Lenovo Tab K12 WiFi (12GB + 256GB) includes 4 speakers, which is more than in 71.6% of tablets and equal to the number in 22.1% of tablets.
Quad speakers.
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
Lenovo Tab K12 WiFi (12GB + 256GB) does not include an FM radio. 14.9% of tablets offer FM radio functionality.
Built-in FM radio supported.
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Lenovo Tab K12 WiFi (12GB + 256GB) vs the average tablet

  • Better chipset
    Lenovo Tab K12 WiFi (12GB + 256GB) uses the MediaTek Dimensity 6,400 chipset, while the average tablet uses MediaTek MT8169A.
    What it is: The official model name of the processor platform used in the tablet.
    When it matters: When you want the tablet to feel fast in everyday use, handle heavier apps smoothly, or stay capable for longer.

    Importance: HIGH

    Lenovo Tab K12 WiFi (12GB + 256GB) uses the MediaTek Dimensity 6,400 chipset, while the average tablet uses MediaTek MT8169A.MediaTek Dimensity 6,400 vs MediaTek MT8169A
  • 8 GB more RAM
    Lenovo Tab K12 WiFi (12GB + 256GB) has more RAM capacity than the average tablet (12 GB vs 4 GB). The average tablet has 4 GB of RAM.
    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: >=8 GB

    Lenovo Tab K12 WiFi (12GB + 256GB) has more RAM capacity than the average tablet (12 GB vs 4 GB). The average tablet has 4 GB of RAM.12 GB vs 4 GB
  • 4x more storage
    Lenovo Tab K12 WiFi (12GB + 256GB) has more internal storage than the average tablet (256 GB vs 64 GB). The average tablet provides 64 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: >=128 GB

    Lenovo Tab K12 WiFi (12GB + 256GB) has more internal storage than the average tablet (256 GB vs 64 GB). The average tablet provides 64 GB of internal storage.256 GB vs 64 GB
  • 399 nits higher peak brightness
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher peak brightness than the average tablet (800 nits vs 401 nits). The average tablet reaches 401 nits peak brightness.
    What it is: The absolute maximum brightness a small portion of the screen can achieve briefly, usually when displaying HDR content.
    When it matters: When you watch HDR content and want highlights like explosions or sunlight to look realistic.

    Importance: MEDIUM

    Good value: >500 nits

    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher peak brightness than the average tablet (800 nits vs 401 nits). The average tablet reaches 401 nits peak brightness.800 nits vs 401 nits
  • Faster storage type
    Lenovo Tab K12 WiFi (12GB + 256GB) uses UFS storage, while the average tablet uses eMMC. Storage technology still varies widely across tablets.
    What it is: The storage technology used for built-in data storage, such as eMMC, UFS, or SSD.
    When it matters: When you care about app loading speed and file transfer performance.

    Importance: HIGH

    Lenovo Tab K12 WiFi (12GB + 256GB) uses UFS storage, while the average tablet uses eMMC. Storage technology still varies widely across tablets.UFS vs eMMC
  • 2.5x faster charging speed
    Lenovo Tab K12 WiFi (12GB + 256GB) supports faster charging than the average tablet (45 W vs 18 W). The average tablet supports charging speed of 18 W.
    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: >30 W

    Lenovo Tab K12 WiFi (12GB + 256GB) supports faster charging than the average tablet (45 W vs 18 W). The average tablet supports charging speed of 18 W.45 W vs 18 W
  • 54.5% larger battery capacity
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher battery capacity than the average tablet (10,200 mAh vs 6,600 mAh). The average tablet battery has capacity of 6,600 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 stronger chance of longer battery life, especially if you use the tablet heavily away from a charger.

    Importance: HIGH

    Good value: >8000 mAh

    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher battery capacity than the average tablet (10,200 mAh vs 6,600 mAh). The average tablet battery has capacity of 6,600 mAh.10,200 mAh vs 6,600 mAh
  • Has anti-reflection coating
    Lenovo Tab K12 WiFi (12GB + 256GB) has anti-reflection coating, the average tablet does not. 24.8% of tablets use anti-reflection coating.
    What it is: A screen coating that reduces reflections and helps the display stay clearer in bright light.
    When it matters: When you use the tablet outdoors or under bright lights.

    Importance: MEDIUM

    Lenovo Tab K12 WiFi (12GB + 256GB) has anti-reflection coating, the average tablet does not. 24.8% of tablets use anti-reflection coating.
  • Better chipset
    Lenovo Tab K12 WiFi (12GB + 256GB) uses the MediaTek Dimensity 6,400 chipset, while the average tablet uses MediaTek MT8169A.
  • 8 GB more RAM
    Lenovo Tab K12 WiFi (12GB + 256GB) has more RAM capacity than the average tablet (12 GB vs 4 GB). The average tablet has 4 GB of RAM.
  • 4x more storage
    Lenovo Tab K12 WiFi (12GB + 256GB) has more internal storage than the average tablet (256 GB vs 64 GB). The average tablet provides 64 GB of internal storage.
  • Faster storage type
    Lenovo Tab K12 WiFi (12GB + 256GB) uses UFS storage, while the average tablet uses eMMC. Storage technology still varies widely across tablets.
  • 25% higher CPU speed
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher CPU speed than the average tablet (2.5 GHz vs 2 GHz). The average tablet has CPU speed of 2 GHz.
  • 57.1% smaller process node
    Lenovo Tab K12 WiFi (12GB + 256GB) uses a smaller process node than the average tablet (6 nm vs 14 nm). The average tablet uses a process node of 14 nm.
  • Newer DDR memory version
    Lenovo Tab K12 WiFi (12GB + 256GB) supports a newer DDR version than the average tablet (LPDDR4X vs LPDDR3). The average DDR version is LPDDR3.
  • 3x higher maximum RAM
    Lenovo Tab K12 WiFi (12GB + 256GB) has more maximum RAM than the average tablet (12 GB vs 4 GB). The average tablet supports up to 4 GB of RAM.
  • 3,989 points higher PassMark benchmark
    Lenovo Tab K12 WiFi (12GB + 256GB) achieves a higher PassMark benchmark result than the average tablet (6,400 points vs 2,411 points). The average tablet scores 2,411 points in PassMark.
  • 2 more CPU threads
    Lenovo Tab K12 WiFi (12GB + 256GB) has more CPU threads than the average tablet (8 vs 6). The average tablet has 6 CPU threads.
  • 255 MHz higher GPU turbo clock
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher GPU turbo speed than the average tablet (950 MHz vs 695 MHz). The average tablet has GPU turbo speed of 695 MHz.
  • 399 nits higher peak brightness
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher peak brightness than the average tablet (800 nits vs 401 nits). The average tablet reaches 401 nits peak brightness.
  • Has anti-reflection coating
    Lenovo Tab K12 WiFi (12GB + 256GB) has anti-reflection coating, the average tablet does not. 24.8% of tablets use anti-reflection coating.
  • 200 nits higher typical brightness
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher typical brightness than the average tablet (600 nits vs 400 nits). The average tablet reaches 400 nits typical brightness.
  • 50% higher refresh rate
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher refresh rate than the average tablet (90 Hz vs 60 Hz). The average tablet has refresh rate of 60 Hz.
  • 2 inches larger screen size
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher screen size than the average tablet (12.1 inches vs 10.1 inches). The average tablet has screen size of 10.1 inches.
  • Higher screen resolution
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher screen resolution than the average tablet (2560×1600 vs 1920×1200). The average tablet resolution is 1920×1200.
  • Supports HDR10 support
    Lenovo Tab K12 WiFi (12GB + 256GB) supports HDR10, the average tablet does not. 21.1% of tablets are HDR10 compatible.
  • 11.2% higher pixel density
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher pixel density than the average tablet (249 ppi vs 224 ppi). The average tablet has pixel density of 224 ppi.
  • 66.7% higher touch sampling rate
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher touch sampling rate than the average tablet (240 Hz vs 144 Hz). The average tablet has touch sampling rate of 144 Hz.
  • 25 ppi higher screen sharpness
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher screen sharpness than the average tablet (249 ppi vs 224 ppi). The average tablet has screen sharpness of 224 ppi.
  • Higher contrast ratio
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher contrast ratio than the average tablet (1,300:1 vs 1,120:1). The average tablet contrast ratio is 1,120:1.
  • 5 MP higher main camera megapixels
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher main camera resolution than the average tablet (13 MP vs 8 MP). The average tablet main camera has 8 MP megapixels.
  • 3 MP higher front camera megapixels
    Lenovo Tab K12 WiFi (12GB + 256GB) has more front camera megapixels than the average tablet (8 MP vs 5 MP). The average tablet has 5 MP front camera resolution.
  • Allows manual ISO
    Lenovo Tab K12 WiFi (12GB + 256GB) allows manual ISO adjustment, the average tablet does not. 42.5% of tablets feature manual ISO.
  • Has a flash
    Lenovo Tab K12 WiFi (12GB + 256GB) features a built-in flash, the average tablet does not. 45.2% of tablets include a flash.
  • 54.5% larger battery capacity
    Lenovo Tab K12 WiFi (12GB + 256GB) has a higher battery capacity than the average tablet (10,200 mAh vs 6,600 mAh). The average tablet battery has capacity of 6,600 mAh.
  • 2.5x faster charging speed
    Lenovo Tab K12 WiFi (12GB + 256GB) supports faster charging than the average tablet (45 W vs 18 W). The average tablet supports charging speed of 18 W.
  • 3 hours longer battery life
    Lenovo Tab K12 WiFi (12GB + 256GB) offers longer battery life than the average tablet (13 hours vs 10 hours). The average tablet offers 10 hours of battery life.
  • Supports fast charging
    Lenovo Tab K12 WiFi (12GB + 256GB) supports fast charging, the average tablet does not. 49.3% of tablets feature fast charging.
  • Newer Bluetooth version
    Lenovo Tab K12 WiFi (12GB + 256GB) supports a newer Bluetooth version than the average tablet (5.2 vs 5.0). The average tablet uses Bluetooth 5.0.
  • Supports Galileo
    Lenovo Tab K12 WiFi (12GB + 256GB) supports Galileo satellite navigation, the average tablet does not. 43% of tablets include Galileo support.
  • Supports full-page screenshots
    Lenovo Tab K12 WiFi (12GB + 256GB) supports full-page screenshots, the average tablet does not. 49.5% of tablets support full-page screenshots.
  • Supports dynamic theme
    Lenovo Tab K12 WiFi (12GB + 256GB) features dynamic themes, the average tablet does not. 29.1% of tablets offer dynamic theming.
  • Has clipboard warnings
    Lenovo Tab K12 WiFi (12GB + 256GB) has clipboard warnings, the average tablet does not. 38% of tablets include clipboard warnings.
  • Has extra dim mode
    Lenovo Tab K12 WiFi (12GB + 256GB) features extra dim mode, the average tablet does not. 33.4% of tablets support extra diming.
  • Supports stylus tilt
    Lenovo Tab K12 WiFi (12GB + 256GB) supports stylus tilt, the average tablet does not. 26.1% of tablets support stylus tilt.
  • 1.71 mm thinner
    Lenovo Tab K12 WiFi (12GB + 256GB) is thinner than the average tablet (6.3 mm vs 8 mm). The average tablet is 8 mm thick.
  • 6 year/s newer release date
    Lenovo Tab K12 WiFi (12GB + 256GB) has a newer release date than the average tablet (2025 vs 2019).
  • Supports Dolby Atmos
    Lenovo Tab K12 WiFi (12GB + 256GB) supports Dolby Atmos, the average tablet does not. 26.4% of tablets support Dolby Atmos.
  • 2 more speakers
    Lenovo Tab K12 WiFi (12GB + 256GB) has more speakers than the average tablet (4 vs 2). The average tablet has 2 speakers.
  • 1 more microphone/s
    Lenovo Tab K12 WiFi (12GB + 256GB) has more microphones than the average tablet (2 vs 1). The average tablet has 1 microphones.

Total
Overall
Performance
Display
Camera
Battery
Connectivity
Software & Features
Design
Audio & Multimedia
  • 2 fewer GPU execution units
    Lenovo Tab K12 WiFi (12GB + 256GB) has less GPU execution units than the average tablet (2 vs 4). The average tablet has 4 GPU execution units.
  • 75% less L2 cache
    Lenovo Tab K12 WiFi (12GB + 256GB) has less L2 cache than the average tablet (0.3 KB vs 1 KB). The average tablet has 1 KB of L2 cache.
  • 128 GB less external memory supported
    Lenovo Tab K12 WiFi (12GB + 256GB) has less maximum external memory than the average tablet (0 GB vs 128 GB). The average tablet supports 128 GB of maximum external memory.
  • No manual white balance
    Lenovo Tab K12 WiFi (12GB + 256GB) does not allow manual white balance adjustments, the average tablet does. 51.2% of tablets include white balance controls.
  • No panorama mode
    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a panorama mode, the average tablet does. 78.5% of tablets include panorama features.
  • No cellular module
    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a cellular module, the average tablet does. 59.7% of tablets include a cellular module.
  • No compass
    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a compass, the average tablet does. 61.1% of tablets include a built-in compass.
  • No offline voice recognition
    Lenovo Tab K12 WiFi (12GB + 256GB) does not support offline voice recognition, the average tablet does. 74% of tablets support offline voice recognition.
  • 100.3 mm wider
    Lenovo Tab K12 WiFi (12GB + 256GB) is wider than the average tablet (278.8 mm vs 178.5 mm). The average tablet is 178.5 mm wide.
  • 8.2% heavier
    Lenovo Tab K12 WiFi (12GB + 256GB) is heavier than the average tablet (530 g vs 490 g). The average tablet weighs 490 g.
  • No 3.5 mm headphone jack
    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a 3.5 mm headphone jack, the average tablet does. 72.7% of tablets include a headphone jack.
  • No manual white balance
    Lenovo Tab K12 WiFi (12GB + 256GB) does not allow manual white balance adjustments, the average tablet does. 51.2% of tablets include white balance controls.
    What it is: Allows the user to adjust color temperature settings to ensure accurate color reproduction in different lighting conditions.
    When it matters: When you need to correct color casts caused by artificial lighting.

    Importance: LOW

    Lenovo Tab K12 WiFi (12GB + 256GB) does not allow manual white balance adjustments, the average tablet does. 51.2% of tablets include white balance controls.
  • No cellular module
    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a cellular module, the average tablet does. 59.7% of tablets include a 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

    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a cellular module, the average tablet does. 59.7% of tablets include a cellular module.
  • No panorama mode
    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a panorama mode, the average tablet does. 78.5% of tablets include panorama features.
    What it is: A feature that stitches together multiple images taken while panning the camera to create a wide-angle scenic shot.
    When it matters: When you want to capture a vast landscape or scene that is too wide for a single shot.

    Importance: LOW

    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a panorama mode, the average tablet does. 78.5% of tablets include panorama features.
  • No 3.5 mm headphone jack
    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a 3.5 mm headphone jack, the average tablet does. 72.7% of tablets include a 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

    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a 3.5 mm headphone jack, the average tablet does. 72.7% of tablets include a headphone jack.
  • No compass
    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a compass, the average tablet does. 61.1% of tablets include a built-in compass.
    What it is: A digital magnetometer that determines the device's orientation relative to the Earth's magnetic north.
    When it matters: When you are hiking or navigating on foot and need to know which direction you are facing.

    Importance: LOW

    Lenovo Tab K12 WiFi (12GB + 256GB) does not have a compass, the average tablet does. 61.1% of tablets include a built-in compass.
  • 100.3 mm wider
    Lenovo Tab K12 WiFi (12GB + 256GB) is wider than the average tablet (278.8 mm vs 178.5 mm). The average tablet is 178.5 mm wide.
    What it is: The horizontal dimension of the device when held in portrait orientation.
    When it matters: When you want the tablet to fit more easily in a bag, stand, or keyboard case.

    Importance: LOW

    Lenovo Tab K12 WiFi (12GB + 256GB) is wider than the average tablet (278.8 mm vs 178.5 mm). The average tablet is 178.5 mm wide.278.8 mm vs 178.5 mm
  • No offline voice recognition
    Lenovo Tab K12 WiFi (12GB + 256GB) does not support offline voice recognition, the average tablet does. 74% of tablets support offline voice recognition.
    What it is: Support for converting speech to text or recognizing voice commands without an internet connection.
    When it matters: When you want voice features to keep working without an internet connection.

    Importance: LOW

    Lenovo Tab K12 WiFi (12GB + 256GB) does not support offline voice recognition, the average tablet does. 74% of tablets support offline voice recognition.
  • 2 fewer GPU execution units
    Lenovo Tab K12 WiFi (12GB + 256GB) has less GPU execution units than the average tablet (2 vs 4). The average tablet has 4 GPU execution units.
    What it is: The number of graphics execution units available in the GPU.
    When it matters: When you play games, use graphics-heavy apps, or care about overall graphics capability.

    Importance: MEDIUM

    Good value: >8

    Lenovo Tab K12 WiFi (12GB + 256GB) has less GPU execution units than the average tablet (2 vs 4). The average tablet has 4 GPU execution units.2 vs 4
Total
Overall
Performance
Camera
Connectivity
Software & Features
Design
Audio & Multimedia

Graphic comparison of Lenovo Tab K12 WiFi (12GB + 256GB) and other tablets

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Third-party reviews

United Kingdom
amazon
5.0
2 Reviews

(Reviews last updated: May 2026)

What customers like about Lenovo Tab K12 WiFi (12GB + 256GB)?

  • High-resolution 12.1-inch 2.5K display (2560x1600) with 90Hz refresh rate for smooth visuals
  • Generous internal storage of 256GB with 12GB of RAM for efficient multitasking
  • Large 10,200 mAh battery capacity providing long-lasting use
  • Immersive audio experience featuring quad speakers with Dolby Atmos support
  • Premium and durable metal case material with a sleek finish
  • Lightweight design (approx. 530g) making it portable for its size

What customers dislike about Lenovo Tab K12 WiFi (12GB + 256GB)?

  • GPU performance may be underwhelming for high-end or demanding gaming compared to newer mobile devices
  • Charging speed is relatively slow given the large battery size
  • USB-C 2.0 port lacks support for high-speed data transfer or external monitor connection
  • Potential performance hiccups or lag when functioning as a power user with many simultaneous apps
  • Limited availability of official high-quality accessories like specialized cases

Expert reviews

L
lesnumeriques.com
30/01/2022
Test Lenovo Tab P12 Pro : la première tablette d'une nouvelle ère

The Lenovo Tab P12 Pro is a premium Android tablet featuring a 12.6-inch 120Hz AMOLED display and a slim 5.6mm aluminum chassis. While the Snapdragon 870 processor ensures strong performance, it is outperformed by newer competitors, and the device is limited by a short software update commitment. Key pros include the included Precision Pen 3, excellent quad speakers, and a robust...Read more

(Translated)Show original
J
journaldugeek.com
26/07/2023
Test de la tablette Lenovo Tab P12 : le bon élève pour la rentrée

The Lenovo Tab P12 is identified as a versatile, mid-range 12.7-inch tablet ideal for productivity and media consumption, featuring a durable aluminum design and an immersive quad-speaker system. Powered by the MediaTek Dimensity 7050, it handles daily tasks well and includes a capable stylus, although the screen is limited to a 60Hz refresh rate and 400 nits brightness. While...Read more

(Translated)Show original
S
smartworld.it
01/03/2025
Recensione Lenovo Idea Tab Pro: un enorme tablet con supporto...

The Lenovo Idea Tab Pro is a 12.7-inch mid-range tablet offering a 3K 144Hz display, MediaTek Dimensity 8300 processor, and premium metal construction at a competitive price point. Key advantages include high-performance for multitasking, a bundled Lenovo Tab Pen Plus for productivity, and loud JBL-tuned speakers suitable for media consumption. However, the device is limited by a...Read more

(Translated)Show original

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