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The technology by which the matrix of the laptop is made.

Matrices of the TN+film, IPS and *VA types are most widely used nowadays; less common are screens like OLED, AMOLED, QLED, miniLED, as well as more specific solutions like LTPS or IGZO. Here is a more detailed description of all these options:

— TN-film. The oldest, simplest and most inexpensive technology currently in use. The key advantages of this type of display are low cost and excellent response time. On the other hand, such matrices are not of high image quality: brightness, colour fidelity and viewing angles of TN-film screens are at an average level. These indicators are quite enough for working with documents, web surfing, most games, etc.; however, for more serious tasks that require a high-quality and reliable picture (for example, design or photo / video colour correction), such screens are practically unsuitable. Thus, TN-film matrices are relatively rare nowadays, mainly among low-cost laptops; more advanced devices are equipped with better screens, most often IPS.

— IPS (In-Plane Switching). The most popular type of matrix for laptops in the middle and top price range; however, it is increasingly common in low-cost...models, and for transformers and 2-in-1 devices (see "Type") it is almost a standard option. Screens of this type are noticeably superior to TN-film in terms of the quality of the “picture”: they provide a bright, reliable and rich image that hardly changes when the viewing angle changes. In addition, this technology allows to achieve extensive colour gamuts in various special standards (see below) and is suitable for creating displays with advanced features such as HDR support or Pantone / CalMAN certification (also see below). Initially, IPS matrices were expensive and had a slow response time; however, nowadays, various modifications of this technology are used, in which these shortcomings are fully or partially compensated. At the same time, different modifications may differ in practical characteristics: for example, some are created based on the maximum reliability of the picture, others differ in affordable cost, etc. So it's ok to clarify the actual characteristics of the IPS screen before buying — especially if you plan to use a laptop for specific applications where image quality is critical.

— *V.A. Various modifications of matrices of the "Vertical Alignment" type: MVA, PVA, Super PVA, ASVA, etc. The differences between these technologies are mainly in the name and the manufacturer. Initially, matrices of this type were developed as a compromise between IPS (high-quality, but expensive and slow) and TN-film (fast, inexpensive, but modest in image quality). As a result, *VA screens turned out to be more affordable than IPS and more advanced than TN-film — they have good colour reproduction, deep blacks and wide viewing angles. At the same time, it is worth noting that the colour balance of the picture on such a display changes somewhat when the viewing angle changes. This makes it difficult to use *VA matrices in professional colour work. In general, this option is designed mainly for those who do not need perfect colour accuracy and at the same time want to see a bright and colorful image.

— OLED. Matrices based on the so-called organic light-emitting diodes. The key feature of such displays is that in them each pixel is a source of light in itself (unlike classic LCD screens, in which the backlight is made separately). This design principle, combined with a number of other solutions, provides excellent brightness, contrast and colour reproduction, rich blacks, the widest possible viewing angles and a small thickness of the screens themselves. On the other hand, laptop OLED matrices for the most part turn out to be quite expensive and “gluttonous” in terms of energy consumption, and they wear out unevenly: the more often and brighter a pixel glows, the faster it loses its working properties (however, this phenomenon becomes noticeable only after several years of intensive use). In addition, for a number of reasons, such screens are considered poorly suited for gaming applications. In light of all this, sensors of this type are rare these days — mostly in individual high-end laptops designed for professional colour work and with appropriate features such as HDR support, wide colour gamut and/or Pantone / CalMAN certification (see below).

— AMOLED. A kind of matrices on organic light-emitting diodes, created by Samsung (however, it is also used by other manufacturers). In terms of its main features, it is similar to other types of OLED matrices (see above): on the one hand, it allows you to achieve excellent image quality, on the other hand, it is expensive and wears out unevenly. At the same time, AMOLED screens have even more advanced colour performance combined with better power optimization. And the low prevalence of this technology is mainly due to the fact that it was originally created for smartphones and only recently began to be used in laptops (since 2020).

— MiniLED. Screen backlight system on a substrate of miniature LEDs with a size of about 100-200 microns (µm). On the same display plane, it was possible to increase the number of LEDs several times, and their array is placed directly behind the matrix itself. The main advantage of miniLED technology can be called a large number of local dimming zones, which in total gives improved brightness, contrast and more saturated colors with deep blacks. MiniLED screens unlock the potential of High Dynamic Range (HDR) technology, suitable for graphic designers and digital content creators.

— QLED. Matrices on "quantum dots" with a redesigned LED backlight system. In particular, it provides the replacement of multilayer colour filters with a special thin-film coating of nanoparticles. Instead of traditional white LEDs, QLED panels use blue ones. As a result, a set of design innovations makes it possible to achieve a higher brightness threshold, colour saturation, improve the quality of colour reproduction in general, while reducing the thickness of the screen and reducing power consumption. The reverse side of the QLED-matrices coin is an expensive cost.

— PLS. A type of matrix developed as an alternative to the IPS described above and, according to some sources, is one of its modifications. Such matrices are also characterized by high colour rendering quality and good brightness; in addition, the advantages of PLS include good suitability for high-resolution screens (due to high pixel density), as well as lower cost than most IPS modifications, and low power consumption. At the same time, the response speed of such screens is not very high.

— LTPS. An advanced type of TFT-matrix, created on the basis of the so-called. low temperature polycrystalline silicon. Such matrices have high colour quality, and are also well suited for screens with high pixel density — in other words, they can be used to create small displays with very high resolution. Another advantage is that part of the control electronics can be built directly into the matrix, reducing the overall thickness of the screen. On the other hand, LTPS matrices are difficult to manufacture and expensive, and therefore are found mainly in premium laptops.

— IGZO. An LCD technology that uses a semiconductor material based on indium, gallium, and zinc oxides (as opposed to more traditional amorphous silicon). This technology provides fast response time, low power consumption and very high colour quality; it also achieves high pixel densities, making it well-suited for ultra-high resolution screens. However, while such displays in laptops are extremely rare. This is explained both by the high cost and by the fact that rather rare metals are used in the production of IGZO matrices, which makes large-scale production difficult.

— Glossy. A glossy surface improves the overall picture quality: other things being equal, the picture on such a screen looks brighter and more colorful than on a matte one. On the other hand, pollution is very noticeable on such a surface, and in bright external lighting, a lot of glare appears on it, which can greatly interfere with viewing. Therefore, instead of the classic gloss, laptops are increasingly using an anti-reflective version of such a coating (see below). Nevertheless, this option still does not lose popularity: it is somewhat cheaper than the “anti-glare”, and in soft, relatively dim lighting, it can even provide a more pleasing image to the eye.

— Matte. Matte finish is inexpensive and does not form glare even from fairly bright lighting. On the other hand, the picture on such a screen is noticeably dimmer than on a similar glossy display. However, this moment can be compensated by various design solutions (primarily a good margin of brightness); so this option can be found in all categories of modern laptops — from low-cost models for working with documents to top gaming configurations.

— Glossy (anti-glare). A variation on the glossy finish described above, designed to reduce glare from external light sources. Such screens really glare noticeably less than traditional glossy ones (or even do not give glare at all); at the same...time, in terms of image quality, they are at least superior to matte ones. So it is this type of coating that is most popular nowadays.

The result shown by the laptop processor in the Passmark CPU Mark test.

Passmark CPU Mark is a comprehensive test that is more detailed and reliable than the popular 3DMark06 (see above). It checks not only the gaming capabilities of the CPU, but also its performance in other modes, based on which it displays the overall score; this score can be used to fairly reliably evaluate the processor as a whole (the more points, the higher the performance).

The clock speed of the RAM installed in the laptop.

The higher the frequency (with the same type and amount of memory) — the higher the performance of RAM in general and the faster the laptop will cope with resource-intensive tasks. However modules with the same frequency may differ somewhat in actual performance due to differences in other characteristics; but this difference becomes significant only in very specific cases, for the average user it is not critical. As for specific values, the most popular modules on the modern market are 2400 MHz, 2666 MHz, 2933 MHz and 3200 MHz. Memory at 2133 MHz or less is found mainly in outdated and low-cost devices, and in high-performance configurations this parameter is 2933 MHz, 3200 MHz, 4266 MHz, 4800 MHz, 5200 MHz, 5500 MHz, 5600 MHz and more.

The type of drive that is installed in the laptop.

Classic hard drives (HDD) in modern laptops are quite rare in their pure form. Instead, solid-state SSD modules are becoming more common, including in HDD+SSD and SSHD+SSD combinations. Also note that among such modules, M.2 SSDs are very common, which can also support NVMe and/or belong to the advanced Intel Optane series. Here are the main features of these options in various combinations (as well as other drive options that can be found in modern laptops):

— HDD. Traditional hard disk, not complemented by any other type of storage. HDDs are notable for their low cost per gigabyte of capacity, which allows you to create very capacious and at the same time quite inexpensive media. On the other hand, such storages are considered less perfect than SSDs: in particular, they are rather slow, and they also do not withstand shocks and shocks (the latter is especially true in light of the fact that laptops are originally portable devices). Therefore, this option is quite rare nowadays, mainly among low-cost configurations.

— SSD. Solid-state memory based on flash technology. In general, drives of this type are noticeably more expensive than HDDs of a similar volume, but they have...a number of advantages over them — first of all, this is a high speed of operation, as well as the ability to endure quite strong shocks and vibrations without any problems. However, we emphasize that in this case we are talking about SSDs of the original format that do not use the M.2 interface, do not belong to the Optane series and are not eMMC or UFS modules (see below for all these features). This is the simplest and most affordable type of flash memory — in particular, it usually uses a SATA interface connection, which does not allow you to realize the full potential of such memory. On the other hand, even “regular” SSD modules still work noticeably faster than HDDs, and they are noticeably cheaper than more advanced solutions.

— SSD M.2. SSD module using M.2 connector. For SSDs in general, see above; and the M.2 connector was specifically designed for advanced yet tiny internal components, including solid state drives. One of the features of such a connection is that it is most often carried out according to the PCI-E standard — this provides a high data transfer rate (up to 8 GB / s, potentially more) and allows you to use all the features of SSD drives. At the same time, there are M.2 modules that work on the older SATA interface — its speed does not exceed 600 MB / s, but such equipment is cheaper than modules with M.2 PCI-E. For details, see "M.2 drive interface" — it is this item that allows you to evaluate the specific capabilities of SSD M.2.

— SSD M.2 Optane. An M.2 SSD (see above) belonging to the Intel Optane series. The main feature of such modules is the use of 3D Xpoint technology — it differs significantly from NAND, on which most conventional SSD modules are built. In particular, 3D Xpoint allows you to access data at the level of individual cells and do without some additional operations, which speeds up work and reduces delays. In addition, such memory is much more durable. Its main drawback is a somewhat high cost. It is also worth noting that the superiority of Optane over more traditional SSD modules is most noticeable at the so-called low queue depth — that is, with a small load on the drive, when a small number of requests are received at the same time. However, most everyday tasks (working with documents, surfing the web, relatively undemanding games) are implemented in this mode, so this moment can be considered an advantage — especially since the superiority of Optane, although it decreases, does not disappear with increasing load.

— SSD M.2 NVMe. NVMe is a data transfer standard designed specifically for solid-state SSD memory. It uses the PCI-E bus and allows you to maximize the potential of such memory, significantly increasing the data exchange speed. This can be either the only drive on board or an addition to an HDD or SSHD. Initially, it was believed that NVMe makes sense to be used mainly on high-performance systems, in particular gaming. However, the development and cheaper technology has led to the fact that such drives are also found in simpler laptops.

— HDD+SSD. The presence in the laptop of two separate drives — HDD and a regular SSD (not M.2, not Optane). The advantages and disadvantages of these types of drives are described in detail above; and their combination in one system allows you to combine the advantages and partially compensate for the shortcomings. SSD in such cases usually has a noticeably smaller volume than HDD, and is used to store data for which high access speed is critical: the operating system, work programs, etc. In turn, it is convenient to store information on a hard disk that takes up a significant volume and at the same time does not require a special access speed; a classic example is multimedia files and documents. In addition, the solid state module can be used as a high-speed cache for a hard drive — similar to the SSHD described below. However, this usually requires special software settings, while the "two separate drives" mode is usually available by default.
It is also worth noting that modern laptops are increasingly using HDD bundles not with conventional SSDs, but with more advanced M.2 modules (including M.2 Optane). However, this option also continues to be used — mainly among relatively inexpensive configurations.

— SSHD. A combination drive that combines a hard disk drive (HDD) and a solid state drive (SSD). It differs from the HDD + SSD bundle described above in two ways. Firstly, both carriers are in the same case and are perceived by the system as a single unit. Secondly, the hard drive is mainly used directly for data storage, and SSD memory usually performs an auxiliary function — it works as a high-speed cache for the HDD. In fact, it looks like this: the data from the hard drive, which the user most often accesses, is copied to the SSD and, at the next access, is loaded from the solid state media, and not from the HDD. This allows you to significantly speed up the work compared to conventional hard drives. However in terms of speed, such “hybrids” are still inferior even to conventional SSDs, not to mention M.2 and Optane solutions — but they are much cheaper.

— HDD+SSD M.2. Combination of a classic hard drive with an M.2 solid-state SSD module. For more information about this combination, see "HDD + SSD": almost everything stated there is also relevant for this case, adjusted for the fact that M.2 SSDs are able to provide higher speeds (see also above — in p. " SSD M.2").

— HDD + Optane M.2. Combining a classic hard drive with an Intel Optane M.2 solid-state SSD module. This combination is generally similar to the “HDD + SSD” combination (see above), adjusted for the advanced capabilities of Optane drives (see also “SSD M.2 Optane” above).

— SSHD+SSD M.2. Combining an SSHD with an M.2 SSD. In general, it is similar to the “HDD + SSD M.2” combination (see above), adjusted for the fact that instead of a regular hard drive, a more advanced and high-speed hybrid drive is used (see also above about it). This further increases the cost, but improves performance.

— eMMC. A type of solid-state drive, originally used as built-in permanent memory for smartphones and tablets, but has recently been installed in laptops. It differs from SSD (see above), on the one hand, by lower cost and good energy efficiency, on the other hand, by lower speed and reliability. Thus, eMMC is now found mainly among transformers and laptop-tablets (see "Type") — for them, low power consumption is more important than maximum performance. Also note that such drives are usually made built-in and do not require replacement.

— HDD + eMMC. Combining a classic hard drive with an eMMC solid state module. The features of each type of drive are described in detail above, and their combination is used mainly in laptop-tablet devices (see "Type"). At the same time, the eMMC drive is installed at the top of the device and is designed to store the operating system and the most important data that needs constant access; and the HDD, located in the lower half, is used as additional storage for large amounts of information (for example, movie collections).

— SSD M.2 + eMMC. The combination of two solid-state modules in one laptop — SSD M.2 and eMMC. See above for details on the features of both types of memory, and their combination is a rather exotic option. It is mainly used to increase the total amount of solid-state memory without a significant increase in cost (remember, eMMC is cheaper than an M.2 SSD of the same volume). In addition, while the eMMC module is usually made built-in, the M.2 SSD is removable by definition, and can be replaced with another drive if necessary.

— UFS. Another type of solid-state memory, originally designed for smartphones and tablets — along with the eMMC described above. It differs from the latter both in high efficiency and increased cost. Thus, such drives are extremely rare among laptops: where eMMC capabilities are not enough, manufacturers usually use full-fledged SSDs.

The volume of the second (additional) drive installed in the laptop.

Two drives used simultaneously in a laptop are most often of different types — for example, HDD and SSD of one kind or another (for more details, see "Drive Type"); however, there are also configurations for two media of the same type (for example, hard drives). Anyway, if separate storages have different volumes, then storage of a smaller capacity is usually considered additional. This is due to the fact that such a drive often performs an auxiliary function and is intended not so much to store data as such, but to speed up the system. A typical example is the HDD + SSD bundle, where it is the SSD that is considered the second carrier. But if there are two hard drives, they usually have the same volume, and in such cases the division into the first and second drives is purely conditional.

In light of all this, the volume of the 2nd drive is generally noticeably lower than that of the main one. In many devices, this parameter does not exceed 128 GB ; the average can be called 250 GB(more precisely, 240 – 256 GB); and a capacity of around 500 GB or more is considered pretty solid in this case.

The number of additional M.2 connectors on the laptop motherboard.

In this case, any free M.2 connector is called additional (if there is an installed drive, the connector is considered the main one and its characteristics are given above — see "M.2 connector interface" and so on). There may be several such free slots — therefore, our catalog specifies the number of additional M.2 connectors, and not just their presence.

Anyway, this parameter will be useful primarily if the laptop is bought for an upgrade. It allows you to estimate how many M.2 SSDs (or other peripherals with such a connection) can be additionally installed in the device. At the same time, when choosing specific components, you should also take into account the interface and the size of free M.2 slots (see below for more details).

Connection connectors provided in the design of the laptop.

This paragraph mainly indicates data on video outputs: VGA, HDMI(versions 1.4, 2.0, 2.1 and their varieties), miniHDMI / microHDMI, DisplayPort, miniDisplayPort). In addition, the presence of other types of connectors can be specified here: audio S / P-DIF, service COM port. But information about interfaces such as full-sized USB, USB-C, Thunderbolt and LAN is provided in separate paragraphs (see below).

— VGA. Analogue video output, also known as D-Sub 15 pin. Technically considered obsolete: it has low noise immunity, does not provide sound transmission, and the maximum supported resolution in fact does not exceed 1280x1024. However, VGA inputs are still quite common in monitors today, and are also found in other types of video equipment — in particular, projectors. Therefore, some modern laptops, mainly for multimedia purposes, are equipped with similar outputs — counting on connection to the mentioned video devices.

— HDMI. The most popular modern interface for working with HD content. Uses digital data transmission, a...llows you to transmit high-definition video and multi-channel audio over one cable at the same time. Most modern monitors, TVs, projectors, and other HD-enabled video equipment have at least one HDMI input; so outputs of this type are extremely common in modern laptops.

— microHDMI and miniHDMI. Reduced varieties of the HDMI described above: they are completely similar in functionality and differ only in the size of the connector. They are installed mainly in the thinnest and most compact laptops, for which full-size HDMI is too cumbersome.

The HDMI and mini/microHDMI ports on modern laptops may correspond to different versions:

• v 1.4. The earliest of the commonly used standards, released in 2009. Allows you to transmit a signal in resolutions up to 4096x2160 at a frame rate of 24 fps, and with Full HD resolution, the frame rate can reach 120 fps; 3D video transmission is also possible.
• v 1.4a. The first addition to version 1.4, in which, in particular, two additional 3D video formats were added.
• v 1.4b. The second update of the HDMI 1.4 standard, which introduced only minor clarifications and additions to the v 1.4a specifications.
• v2.0. Global HDMI update introduced in 2013. Also known as HDMI UHD, it allows you to stream 4K video at frame rates up to 60 fps. The number of audio channels can reach 32, and up to 4 audio streams can be broadcast simultaneously. In addition, support for the 21:9 aspect ratio and some improvements regarding 3D content have been introduced.
• v2.0a. First HDMI 2.0 update. A key innovation was compatibility with HDR content (see "HDR support").
• v2.0b. Second update of version 2.0. Key innovations have affected mainly work with HDR — in particular, support for HDR10 and HLG has been added.
• v2.1. One of the newest versions, released in the fall of 2017. Further increases in bandwidth have made it possible to support 4K and even 8K video at frame rates up to 120 fps. In addition, key improvements include enhanced HDR capabilities. Note that to use the full capabilities of HDMI v2.1, HDMI Ultra High Speed cables are required, although basic functions are available with regular cables.

— Display port. Digital high-speed port, allows you to transfer both video and audio in HD quality. It is similar in many respects to HDMI, provides a higher data transfer rate and allows the use of longer cables, but is less common, mainly used in computer technology.

— miniDisplayPort. A smaller version of the DisplayPort described above, designed to make the connector more compact; except for the dimensions, it is no different from the original interface. Some time ago it was a regular video connector for Apple laptops; and even the Thunderbolt interface that replaced it, in versions 1 and 2 (see below), uses a connector identical to the miniDisplayPort connector.

Both full-size DisplayPort and its smaller version may be different versions. Here are the most popular options today:

• v 1.2. The earliest version common in laptops, released in 2010. Among the most important innovations presented in this version are 3D support, the ability to work simultaneously with several video streams for serial connection of screens (daisy chain), as well as the ability to work through the miniDisplayPort connector. Bandwidth v 1.2 is enough to fully support 5K video at 30 frames per second and 8K video — with certain limitations.
• v 1.2a. Update version 1.2, released in 2013. One of the most noticeable innovations is the ability to work with AMD FreeSync (see above). Bandwidth and supported resolutions remain unchanged.
• v 1.3. DisplayPort version released in 2014. Compared to the previous version, the throughput has been increased by 1.5 times for 1 line and almost 2 times for the whole connector (8.1 Gbps and 32.4 Gbps, respectively). This, among other things, made it possible to provide full support for 8K video at 30 fps, as well as increase the maximum frame rate in 4K and 5K standards to 120 and 60 fps, respectively. In daisy chain mode, this standard makes it possible to work with two 4K UHD (3840x2160) screens at a frame rate of 60 Hz, or with four 2560x1600 screens at the same frequency. In addition, Dual-mode support was introduced in this version, providing compatibility with HDMI and DVI interfaces through the simplest passive adapters.
• v 1.4. Version introduced in March 2016. Bandwidth, compared to the previous standard, remained unchanged, but some important features were added — in particular, support for Display Stream Compression 1.2 compression, HDR10 standard and Rec. 2020, and the maximum number of supported audio channels has increased to 32.
• v 1.4a. An update released in 2018 "quietly" — without even an official press release. The main innovation was the update of Display Stream Compression technology from version 1.2 to version 1.2a.

— S/P-DIF. Output for digital audio transmission, including multi-channel. It has two varieties — optical and electrical; the first is absolutely insensitive to interference, but uses rather delicate cables, the second does not require special care in handling, but can be subject to pickups (although the wires are usually made shielded). Laptops use mainly optical S/P-DIF, while for compactness this connector is combined with a mini-Jack jack for connecting headphones. However, anyway, it's ok to clarify the specific features of this interface separately.

— COM port. Universal interface for connecting various external devices — in particular, dial-up modems — as well as for direct connection between two computers. Also known as RS-232 (after the connector). Nowadays it is considered obsolete due to the spread of more compact, faster and more functional interfaces, primarily USB. However, many types of equipment, including specialized ones, use the COM port as a control interface. Such equipment includes uninterruptibles, satellite receivers and communication devices, security and alarm systems, etc. Thus, COM ports, although almost never used in consumer-level laptops, are still found in some specialized models.

A device for working with removable memory cards. Usually, it looks like a characteristic slot right on the laptop case, into which the media is inserted. There are different standards for memory cards, a list of compatible standards is indicated in the note to this item. It is worth noting here that for modern laptops it is almost mandatory to support the SD format and its modifications — SD HC, often also SD XC; other options may also be envisaged, but they have not received such distribution. Anyway, this feature is convenient because memory cards are widely used in other types of electronics: for example, SD is the generally accepted standard in digital cameras, and microSD (compatible with SD slots through simple adapters) is used in smartphones. Accordingly, the presence of a card reader greatly facilitates the exchange of data between a laptop and external devices.