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Teclast M40s 4G (4GB + 128GB) Review | 168 Data compared

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  • Avg. price in UK: ~£110
  • Avg. price in US: ~$150
  • RAM capacity: 4 GB
  • Internal storage: 128 GB
  • Screen size: 10.1 inches
  • Chipset: Unisoc Tiger T610

Teclast M40s 4G (4GB + 128GB) review. Compare 168 technical specifications and user reviews to see how it ranks among tablets and if it is worth buying.

5.5

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%

5.3

Technical Score

10.0%

7.7

User score

Good
5.3

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%

5.9

Performance

20.0%

5.4

Display

16.0%

5.4

Camera

14.0%

3.1

Battery

12.0%

6.4

Connectivity

8.0%

5.8

Software & Features

5.0%

4.9

Design

3.0%

5.0

Audio & Multimedia

Good
7.7

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%

7.8

User reviews

30.0%

7.5

Popularity

User score:
United Kingdom
amazon
3.8
(35)
United States
Amazon_logo.png
3.9
(183)

(Reviews last updated: May 2026)

Very good
  • 4.4
    Gaming

    Score components:

    25.0%

    4.9

    RAM capacity

    20.0%

    1.0

    Refresh rate

    20.0%

    5.0

    GPU frequency

    20.0%

    6.2

    Chipset

    15.0%

    4.9

    Battery capacity

  • 5.3
    School

    Score components:

    20.0%

    6.2

    Chipset

    20.0%

    4.6

    Battery life

    20.0%

    4.9

    RAM capacity

    10.0%

    8.3

    Weight

    10.0%

    5.4

    Internal storage

    10.0%

    1.0

    Keyboard accessory

    10.0%

    6.6

    Screen size

  • 5.2
    Work

    Score components:

    30.0%

    4.9

    RAM capacity

    25.0%

    6.2

    Chipset

    20.0%

    5.4

    Internal storage

    15.0%

    6.6

    Screen size

    5.0%

    1.0

    Keyboard accessory

    5.0%

    1.0

    Stylus included

  • 6.1
    Seniors

    Score components:

    20.0%

    6.6

    Screen size

    20.0%

    4.6

    Battery life

    20.0%

    8.3

    Weight

    20.0%

    4.9

    RAM capacity

    20.0%

    6.2

    Chipset

  • 6.1
    Kids

    Score components:

    25.0%

    4.9

    Battery capacity

    25.0%

    4.9

    RAM capacity

    15.0%

    8.3

    Weight

    15.0%

    5.4

    Internal storage

    10.0%

    6.6

    Screen size

    10.0%

    9.9

    Price

  • 5.9
    Travel

    Score components:

    20.0%

    4.9

    RAM capacity

    20.0%

    4.6

    Battery life

    15.0%

    6.2

    Chipset

    15.0%

    8.3

    Weight

    10.0%

    10

    Cellular module

    10.0%

    1.0

    5G connectivity

    5.0%

    10

    GPS

    5.0%

    5.4

    Internal storage

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Best prices in UK

Best rankings

?

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

Verdict

The Teclast M40s 4G is a budget-friendly 10.1-inch tablet featuring a 1920x1200 Full HD IPS display and a slim 7.8mm metal body. It is powered by a Unisoc T610 octa-core processor paired with 4GB of RAM and 128GB of internal storage, which is expandable via microSD. Key characteristics include dual-SIM 4G LTE support, dual-band Wi-Fi, and a 6,000mAh battery with USB-C charging. Main pros are its lightweight, portable design at just 430g, high-resolution screen for video playback, and responsive multitasking for daily tasks. However, notable cons include lack of Widevine L1 certification (limiting streaming to SD on many platforms), mediocre camera quality with a 5MP rear lens lacking a flash, and relatively slow charging speeds.

Technical Specifications of tablet Teclast M40s 4G (4GB + 128GB)

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%

5.9

Performance

20.0%

5.4

Display

16.0%

5.4

Camera

14.0%

3.1

Battery

12.0%

6.4

Connectivity

8.0%

5.8

Software & Features

5.0%

4.9

Design

3.0%

5.0

Audio & Multimedia

5.3
Teclast M40s 4G (4GB + 128GB) has a technical score of 5.31 points, which is lower than 61.5% 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%

7.8

User reviews

30.0%

7.5

Popularity

User score:
United Kingdom
amazon
3.8
(35)
United States
Amazon_logo.png
3.9
(183)

(Reviews last updated: May 2026)

7.7
Teclast M40s 4G (4GB + 128GB) has a user score of 7.69 points, which is lower than 78.2% 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.
7.5
Teclast M40s 4G (4GB + 128GB) has a popularity of 7.5 points, which is higher than 80.3% of products in this category.
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%

5.5

Overall score

40.0%

9.9

Price

6.9
Teclast M40s 4G (4GB + 128GB) has a quality-to-price ratio of 6.9 points, which is higher than 52.8% of products in this category.
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

Teclast
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

4 GB
Teclast M40s 4G (4GB + 128GB) has a RAM capacity of 4 GB which is larger than the RAM capacity of 47.6% of tablets and equal to that of 17.6% 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

12 nm
Teclast M40s 4G (4GB + 128GB) is built on a 12 nm nm process node, which is smaller than the node size used in 53.7% of tablets and equal to the node used in 13.6% 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

128 GB
Teclast M40s 4G (4GB + 128GB) has an internal storage capacity of 128 GB which is larger than the storage of 56.7% of tablets and equal to that of 19.6% 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

466 points
Teclast M40s 4G (4GB + 128GB) scored 466 points in Geekbench 6 (single-core) which is lower than the score of 59% of tablets and equal to the score of 0.2% of tablets.
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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

1920×1200
Teclast M40s 4G (4GB + 128GB) has a screen resolution of 1920×1200 which is higher than that of 39.1% of tablets and equal to that of 18.8% 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

60 Hz
Teclast M40s 4G (4GB + 128GB) supports a refresh rate of 60 Hz which is higher than in 0% of tablets and equal to that in 73.8% 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
Teclast M40s 4G (4GB + 128GB) 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

224 ppi
Teclast M40s 4G (4GB + 128GB) has a pixel density of 224 ppi which is higher than that of 49.7% of tablets and equal to that of 11.9% 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
Teclast M40s 4G (4GB + 128GB) 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

5 MP
Teclast M40s 4G (4GB + 128GB) has a main camera resolution of 5 MP MP which is lower than that of 61.7% of tablets and equal to that of 26.3% 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

5 MP
Teclast M40s 4G (4GB + 128GB) has a front camera resolution of 5 MP MP which is higher than in 49% of tablets and equal to that in 19.5% 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

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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
Teclast M40s 4G (4GB + 128GB) 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

6,000 mAh
Teclast M40s 4G (4GB + 128GB) has a battery capacity of 6,000 mAh which is smaller than the batteries in 54.5% of tablets and equal to those in 4.2% 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

7.5 W
Teclast M40s 4G (4GB + 128GB) supports charging speeds of 7.5 W which is slower than in 95.2% of tablets and equal to speeds in 0.3% 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

9 hours
Teclast M40s 4G (4GB + 128GB) has a battery life of 9 hours, which is shorter than that of 62.8% of tablets and equal to that of 6.8% 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
Teclast M40s 4G (4GB + 128GB) 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

no
Teclast M40s 4G (4GB + 128GB) does not support 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

yes
Teclast M40s 4G (4GB + 128GB) supports LTE. 63.3% of tablets 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
Teclast M40s 4G (4GB + 128GB) 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
Teclast M40s 4G (4GB + 128GB) 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
Teclast M40s 4G (4GB + 128GB) does not support 5G connectivity. 10.8% of tablets support 5G.
This version supports cellular data up to 4G/LTE or 3G, not 5G.
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
Teclast M40s 4G (4GB + 128GB) does not support NFC. 9.8% of tablets include NFC.
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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
Teclast M40s 4G (4GB + 128GB) 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

short
Teclast M40s 4G (4GB + 128GB) offers short update support, which is shorter than the support period of 56.9% of tablets and equal to that of 43.1% 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

no
Teclast M40s 4G (4GB + 128GB) does not receive 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

no
Teclast M40s 4G (4GB + 128GB) does not support on-device AI. 32.1% of tablets support this capability.
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
Teclast M40s 4G (4GB + 128GB) 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

not rated
Teclast M40s 4G (4GB + 128GB) has an IP rating of not rated which is equal to that of 83% of tablets.
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

430 g
Teclast M40s 4G (4GB + 128GB) weighs 430 g which is lighter than 71.5% of tablets and equal to the weight of 0.5% 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
Teclast M40s 4G (4GB + 128GB) 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

no
Teclast M40s 4G (4GB + 128GB) does not support 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

N/A
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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
Teclast M40s 4G (4GB + 128GB) 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
Teclast M40s 4G (4GB + 128GB) 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

no
Teclast M40s 4G (4GB + 128GB) does not support Dolby Atmos. 26.4% of tablets support this audio feature.
No confirmed Dolby Atmos audio support.
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

2
Teclast M40s 4G (4GB + 128GB) includes 2 speakers, which is more than in 12.2% of tablets and equal to the number in 59.2% of tablets.
Dual 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

yes
Teclast M40s 4G (4GB + 128GB) includes an FM radio. 14.9% of tablets offer FM radio functionality.
Built-in FM radio supported.
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Teclast M40s 4G (4GB + 128GB) vs the average tablet

  • Has anti-reflection coating
    Teclast M40s 4G (4GB + 128GB) 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

    Teclast M40s 4G (4GB + 128GB) has anti-reflection coating, the average tablet does not. 24.8% of tablets use anti-reflection coating.
  • Allows manual focus
    Teclast M40s 4G (4GB + 128GB) allows manual focus control, the average tablet does not. 37% of tablets include manual focus.
    What it is: A pro mode feature that allows the user to manually adjust the focus distance using a slider.
    When it matters: When the autofocus struggles or you want a specific creative artistic effect.

    Importance: LOW

    Teclast M40s 4G (4GB + 128GB) allows manual focus control, the average tablet does not. 37% of tablets include manual focus.
  • Supports slow-motion recording
    Teclast M40s 4G (4GB + 128GB) supports slow-motion recording, the average tablet does not. 38% of tablets offer slow-mo.
    What it is: A video mode that captures footage at a high frame rate and plays it back at normal speed to create a slow-motion effect.
    When it matters: When you want to capture fast action sequences to see details invisible to the naked eye.

    Importance: MEDIUM

    Teclast M40s 4G (4GB + 128GB) supports slow-motion recording, the average tablet does not. 38% of tablets offer slow-mo.
  • Better chipset
    Teclast M40s 4G (4GB + 128GB) uses the Unisoc Tiger T610 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

    Teclast M40s 4G (4GB + 128GB) uses the Unisoc Tiger T610 chipset, while the average tablet uses MediaTek MT8169A.Unisoc Tiger T610 vs MediaTek MT8169A
  • 2x more storage
    Teclast M40s 4G (4GB + 128GB) has more internal storage than the average tablet (128 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

    Teclast M40s 4G (4GB + 128GB) has more internal storage than the average tablet (128 GB vs 64 GB). The average tablet provides 64 GB of internal storage.128 GB vs 64 GB
  • 1 more microphone/s
    Teclast M40s 4G (4GB + 128GB) has more microphones than the average tablet (2 vs 1). The average tablet has 1 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

    Teclast M40s 4G (4GB + 128GB) has more microphones than the average tablet (2 vs 1). The average tablet has 1 microphones.2 vs 1
  • Newer DDR memory version
    Teclast M40s 4G (4GB + 128GB) supports a newer DDR version than the average tablet (LPDDR4 vs LPDDR3). The average DDR version is LPDDR3.
    What it is: The generation of DDR (Double Data Rate) RAM used in the device (e.g., LPDDR4X, LPDDR5). Newer versions offer better speed and power efficiency.
    When it matters: When you want the tablet to combine better speed and efficiency in heavier or longer use.

    Importance: MEDIUM

    Good value: 5

    Teclast M40s 4G (4GB + 128GB) supports a newer DDR version than the average tablet (LPDDR4 vs LPDDR3). The average DDR version is LPDDR3.LPDDR4 vs LPDDR3
  • 2 more CPU threads
    Teclast M40s 4G (4GB + 128GB) has more CPU threads than the average tablet (8 vs 6). The average tablet has 6 CPU threads.
    What it is: The total number of processing threads that the CPU can execute simultaneously.
    When it matters: When you edit video, multitask heavily, or use demanding apps that can split work across many cores.

    Importance: MEDIUM

    Good value: 8+

    Teclast M40s 4G (4GB + 128GB) has more CPU threads than the average tablet (8 vs 6). The average tablet has 6 CPU threads.8 vs 6
  • Better chipset
    Teclast M40s 4G (4GB + 128GB) uses the Unisoc Tiger T610 chipset, while the average tablet uses MediaTek MT8169A.
  • 2x more storage
    Teclast M40s 4G (4GB + 128GB) has more internal storage than the average tablet (128 GB vs 64 GB). The average tablet provides 64 GB of internal storage.
  • Newer DDR memory version
    Teclast M40s 4G (4GB + 128GB) supports a newer DDR version than the average tablet (LPDDR4 vs LPDDR3). The average DDR version is LPDDR3.
  • 2 more CPU threads
    Teclast M40s 4G (4GB + 128GB) has more CPU threads than the average tablet (8 vs 6). The average tablet has 6 CPU threads.
  • 14.3% smaller process node
    Teclast M40s 4G (4GB + 128GB) uses a smaller process node than the average tablet (12 nm vs 14 nm). The average tablet uses a process node of 14 nm.
  • Has anti-reflection coating
    Teclast M40s 4G (4GB + 128GB) has anti-reflection coating, the average tablet does not. 24.8% of tablets use anti-reflection coating.
  • Allows manual focus
    Teclast M40s 4G (4GB + 128GB) allows manual focus control, the average tablet does not. 37% of tablets include manual focus.
  • Supports slow-motion recording
    Teclast M40s 4G (4GB + 128GB) supports slow-motion recording, the average tablet does not. 38% of tablets offer slow-mo.
  • Supports Galileo
    Teclast M40s 4G (4GB + 128GB) supports Galileo satellite navigation, the average tablet does not. 43% of tablets include Galileo support.
  • 12.2% lighter
    Teclast M40s 4G (4GB + 128GB) is lighter than the average tablet (430 g vs 490 g). The average tablet weighs 490 g.
  • 40 mm shorter
    Teclast M40s 4G (4GB + 128GB) is shorter than the average tablet (160 mm vs 200 mm). The average tablet is 200 mm tall.
  • 1 more microphone/s
    Teclast M40s 4G (4GB + 128GB) has more microphones than the average tablet (2 vs 1). The average tablet has 1 microphones.

Total
Overall
Performance
Display
Camera
Connectivity
Design
Audio & Multimedia
  • 10% lower CPU speed
    Teclast M40s 4G (4GB + 128GB) has a lower CPU speed than the average tablet (1.8 GHz vs 2 GHz). The average tablet has CPU speed of 2 GHz.
  • 36.1% lower Geekbench 6 single-core benchmark score
    Teclast M40s 4G (4GB + 128GB) achieves a lower Geekbench 6 single-core benchmark score than the average tablet (466 points vs 729 points). The average tablet scores 729 points in Geekbench 6 single-core.
  • 2 fewer GPU execution units
    Teclast M40s 4G (4GB + 128GB) has less GPU execution units than the average tablet (2 vs 4). The average tablet has 4 GPU execution units.
  • 266 MHz slower RAM speed
    Teclast M40s 4G (4GB + 128GB) has a lower RAM speed than the average tablet (1,600 MHz vs 1,866 MHz). The average tablet has RAM speed of 1,866 MHz.
  • 14.1% lower memory bandwidth
    Teclast M40s 4G (4GB + 128GB) has a lower memory bandwidth than the average tablet (12.8 GB/s vs 14.9 GB/s). The average tablet has memory bandwidth of 14.9 GB/s.
  • 81 MHz lower GPU turbo clock
    Teclast M40s 4G (4GB + 128GB) has a lower GPU turbo speed than the average tablet (614 MHz vs 695 MHz). The average tablet has GPU turbo speed of 695 MHz.
  • 50% less L1 cache
    Teclast M40s 4G (4GB + 128GB) has less L1 cache than the average tablet (32 KB vs 64 KB). The average tablet has 64 KB of L1 cache.
  • 211 nits lower peak brightness
    Teclast M40s 4G (4GB + 128GB) has a lower peak brightness than the average tablet (190 nits vs 401 nits). The average tablet reaches 401 nits peak brightness.
  • 16.7% lower touch sampling rate
    Teclast M40s 4G (4GB + 128GB) has a lower touch sampling rate than the average tablet (120 Hz vs 144 Hz). The average tablet has touch sampling rate of 144 Hz.
  • No continuous video AF
    Teclast M40s 4G (4GB + 128GB) does not support continuous video AF, the average tablet does. 55.4% of tablets support continuous video autofocus.
  • No manual exposure control
    Teclast M40s 4G (4GB + 128GB) does not offer manual exposure control, the average tablet does. 67.4% of tablets have manual exposure.
  • No timelapse video
    Teclast M40s 4G (4GB + 128GB) does not support timelapse video, the average tablet does. 54.5% of tablets include timelapse modes.
  • No manual white balance
    Teclast M40s 4G (4GB + 128GB) does not allow manual white balance adjustments, the average tablet does. 51.2% of tablets include white balance controls.
  • 3 MP lower main camera megapixels
    Teclast M40s 4G (4GB + 128GB) has a lower-resolution main camera than the average tablet (5 MP vs 8 MP). The average tablet has a 8 MP main camera.
  • No burst mode
    Teclast M40s 4G (4GB + 128GB) does not support burst mode, the average tablet does. 81.8% of tablets support burst mode.
  • 58.3% slower charging speed
    Teclast M40s 4G (4GB + 128GB) supports slower charging than the average tablet (7.5 W vs 18 W). The average tablet supports charging speed of 18 W.
  • 1 hours shorter battery life
    Teclast M40s 4G (4GB + 128GB) offers shorter battery life than the average tablet (9 hours vs 10 hours). The average tablet offers 10 hours of battery life.
  • 9.1% smaller battery capacity
    Teclast M40s 4G (4GB + 128GB) has a lower battery capacity than the average tablet (6,000 mAh vs 6,600 mAh). The average tablet battery has capacity of 6,600 mAh.
  • No compass
    Teclast M40s 4G (4GB + 128GB) does not have a compass, the average tablet does. 61.1% of tablets include a built-in compass.
  • No ambient light sensor
    Teclast M40s 4G (4GB + 128GB) does not include an ambient light sensor, the average tablet does. 68.1% of tablets include an ambient light sensor.
    Ambient light sensor is not present.
  • Shorter update support
    Teclast M40s 4G (4GB + 128GB) offers shorter update support than the average tablet (short vs medium). The average tablet gets medium of update support.
  • Does not receive direct OS updates
    Teclast M40s 4G (4GB + 128GB) does not support direct OS updates, the average tablet does. 79.4% of tablets support direct OS updates.
  • No keyboard accessory
    Teclast M40s 4G (4GB + 128GB) does not support a keyboard accessory, the average tablet does. 83.4% of tablets support a keyboard accessory.
  • No continuous video AF
    Teclast M40s 4G (4GB + 128GB) does not support continuous video AF, the average tablet does. 55.4% of tablets support continuous video autofocus.
    What it is: Support for keeping focus updated automatically while recording video.
    When it matters: When you record moving subjects and want focus to keep up.

    Importance: LOW

    Teclast M40s 4G (4GB + 128GB) does not support continuous video AF, the average tablet does. 55.4% of tablets support continuous video autofocus.
  • Shorter update support
    Teclast M40s 4G (4GB + 128GB) offers shorter update support than the average tablet (short vs medium). The average tablet gets medium of update support.
    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

    Teclast M40s 4G (4GB + 128GB) offers shorter update support than the average tablet (short vs medium). The average tablet gets medium of update support.short vs medium
  • Does not receive direct OS updates
    Teclast M40s 4G (4GB + 128GB) does not support direct OS updates, the average tablet does. 79.4% of tablets support 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

    Teclast M40s 4G (4GB + 128GB) does not support direct OS updates, the average tablet does. 79.4% of tablets support direct OS updates.
  • 211 nits lower peak brightness
    Teclast M40s 4G (4GB + 128GB) has a lower peak brightness than the average tablet (190 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

    Teclast M40s 4G (4GB + 128GB) has a lower peak brightness than the average tablet (190 nits vs 401 nits). The average tablet reaches 401 nits peak brightness.190 nits vs 401 nits
  • No manual exposure control
    Teclast M40s 4G (4GB + 128GB) does not offer manual exposure control, the average tablet does. 67.4% of tablets have manual exposure.
    What it is: Gives the user control over the overall brightness of the image by adjusting exposure compensation values.
    When it matters: When the automatic settings make the image too bright or too dark for your taste.

    Importance: LOW

    Teclast M40s 4G (4GB + 128GB) does not offer manual exposure control, the average tablet does. 67.4% of tablets have manual exposure.
  • 58.3% slower charging speed
    Teclast M40s 4G (4GB + 128GB) supports slower charging than the average tablet (7.5 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

    Teclast M40s 4G (4GB + 128GB) supports slower charging than the average tablet (7.5 W vs 18 W). The average tablet supports charging speed of 18 W.7.5 W vs 18 W
  • No manual white balance
    Teclast M40s 4G (4GB + 128GB) 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

    Teclast M40s 4G (4GB + 128GB) does not allow manual white balance adjustments, the average tablet does. 51.2% of tablets include white balance controls.
  • No timelapse video
    Teclast M40s 4G (4GB + 128GB) does not support timelapse video, the average tablet does. 54.5% of tablets include timelapse modes.
    What it is: A recording mode that captures frames at long intervals to accelerate the passage of time in the final video.
    When it matters: When you want to condense long events like sunsets or traffic into short, dynamic clips.

    Importance: LOW

    Teclast M40s 4G (4GB + 128GB) does not support timelapse video, the average tablet does. 54.5% of tablets include timelapse modes.
Total
Overall
Performance
Display
Camera
Battery
Connectivity
Software & Features
Design

Graphic comparison of Teclast M40s 4G (4GB + 128GB) and other tablets

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Third-party reviews

United Kingdom
amazon
3.8
35 Reviews
United States
Amazon_logo.png
3.9
183 Reviews

(Reviews last updated: May 2026)

What customers like about Teclast M40s 4G (4GB + 128GB)?

  • Excellent value for money and high specs for the price
  • Good quality 10.1-inch IPS Full HD display with 1920x1200 resolution
  • Fast and responsive performance for daily tasks and web browsing
  • Lightweight and portable metal body design
  • Includes features often missing in budget tablets, such as 4G LTE support and GPS
  • Comes with a pre-applied screen protector

What customers dislike about Teclast M40s 4G (4GB + 128GB)?

  • Inconsistent battery performance; some users report rapid drain while others find it adequate
  • Cameras are generally low quality and not suitable for photography beyond basic record-keeping
  • Charging speed can be slow, taking 3-4 hours for a full charge
  • Accelerometer can be laggy, causing slow screen orientation changes
  • Lack of regular software or security updates from the manufacturer
  • Potential build quality issues, such as screen protector air bubbles or fragile ports

Expert reviews

F
fr.hoc.hu
11/02/2021
La tablette qui sait même! - Essai Teclast M40

The Teclast M40 is a budget-friendly 10.1-inch tablet featuring an impressive alloy build, a snappy Unisoc Tiger T618 processor, 6GB of RAM, and 128GB of storage. While it handles gaming and daily tasks well, the display is a significant compromise due to low peak brightness (189 nits) and the lack of full lamination. Furthermore, the device is limited to Widevine L3 for streaming,...Read more

(Translated)Show original
N
notebookcheck.biz
19/03/2026
Test de la Teclast M40: puissante pour le prix, mais avec quelques problèmes

The Teclast M40 is a budget 10.1-inch tablet offering strong performance for its price, driven by a Unisoc Tiger T618 processor, 6GB of RAM, and 128GB of storage. Key advantages include its capability to handle multitasking and mid-range gaming better than competitors in the sub-$200 bracket. However, the 1920x1200 IPS display is a significant drawback, featuring high reflectivity,...Read more

(Translated)Show original
M
macitynet.it
18/04/2021
Recensione Teclast M40, per il tablet low cost questa volta è sì

The Teclast M40 is positioned as a high-performance, budget-friendly 10.1-inch Android 10 tablet featuring a Unisoc Tiger T618 processor and 6GB of RAM. Key advantages include its fast processing power, which outclasses many competitors in its price range, and versatile connectivity options like dual 4G SIM support and GPS. However, the tablet compromises on its 10.1-inch 1920x1200...Read more

(Translated)Show original
F
forum.chinafans.nl
06/11/2023
Teclast M40 Plus - Chinafans community (Community discussion/test comparing the M40S to newer versions) Would you like me to look for English-language...

According to a Chinafans.nl forum review, the Teclast M40 Plus offers a premium "Sea Blue" metal build and solid performance driven by 8GB LPDDR4X RAM and 128GB UFS 2.1 storage. The 10.1-inch 1920x1200 IPS display, paired with a 7000mAh battery and Android 12, provides a good budget experience for media consumption. Limitations include a lack of an ambient light sensor, high screen...Read more

(Translated)Show original

Video reviews

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