Contrast
The contrast of the screen installed in the laptop.
Contrast is the largest difference in brightness between the lightest white and darkest black that can be achieved on a single screen. It is written as a fraction, for example, 560:1; while the larger the first number, the higher the contrast, the more advanced the screen is and the better the image quality can be achieved on it. This is especially noticeable with large differences in brightness within a single frame: with low contrast, individual details located in the darkest or brightest parts of the picture may be lost, increasing the contrast allows you to eliminate this phenomenon to a certain extent. The flip side of these benefits is an increase in cost.
Separately, we emphasize that in this case only static contrast is indicated — the difference provided within one frame in normal operation, at constant brightness and without the use of special technologies. For advertising purposes, some manufacturers may also provide data on the so-called dynamic contrast — it can be measured in very impressive numbers (seven-digit or more). However, you should focus primarily on static contrast — this is the basic characteristic of any display.
As for specific values, even in the most advanced screens, this indicator does not exceed 2000: 1. But in general, modern laptops have a rather low contrast ratio — it is assumed that for tasks that require more advanced image characteristics, it is more...reasonable to use an external screen (monitor or TV).
Model
The specific model of the processor installed in the laptop, or rather, the processor index within its series (see above). Knowing the full name of the processor (series and model), you can find detailed information on it (up to practical reviews) and clarify its capabilities.
Code name
The code name for CPU installed in the laptop.
This parameter characterizes, first of all, the generation to which the processor belongs, and the microarchitecture used in it. At the same time, chips with different code names can belong to the same microarchitecture/generation; in such cases, they differ in other parameters - general positioning, belonging to certain series (see above), the presence / absence of certain specific functions, etc.
Nowadays, the following code names are relevant in Intel processors:
Coffee Lake,
Comet Lake,
Ice Lake,
Tiger Lake,
Jasper Lake,
Alder Lake,
Raptor Lake (13th Gen),
Alder Lake-N,
Raptor Lake (14th Gen),
Meteor Lake (Series 1),
Raptor Lake (Series 1),
Lunar Lake (Series 2).
For AMD, the list looks like this:
Zen 2 Renoir,
Zen 2 Lucienne,
Zen 3 Cezanne,
Zen 3 Barcelo,
Zen 3+ Rembrandt,
Zen 3+ Rembrandt R,
Zen 2 Mendocino,
Zen 3 Barcelo R,
Zen 4 Dragon Range,
Zen 4 Phoenix
Zen 4 Hawk Point,
Zen 5 Strix Point.
Detailed data on different code names can be found in special sources.
CPU speed
The clock speed of the processor installed in the laptop (for multi-core processors, the frequency of each individual core).
Theoretically, a higher clock speed has a positive effect on performance, as it allows the processor to perform more operations per unit of time. However, in fact, the capabilities of the CPU depend on a number of other characteristics — primarily on the series to which it belongs (see above). It even happens that of the two chips, the more performant in the overall result is the slower one. With this in mind, it makes sense to compare by clock frequency only processors of the same series, and ideally, also of the same generation; and the laptop as a whole should be judged by the complex characteristics of the system, as well as by the results of tests (see below).
TurboBoost / TurboCore frequency
Processor clock speed achieved in TurboBoost or TurboCore "overclocking" mode.
Turbo Boost and Turbo Core technologies are used by different manufacturers (Intel and AMD, respectively), but they have the same principle of operation: load distribution from more loaded processor cores to less loaded ones to improve performance. The "overclocking" mode is characterized by an increased clock frequency, and it is indicated in this case.
For more information about clock speed in general, see the relevant paragraph above.
Passmark CPU Mark
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).
Max. RAM
The maximum amount of RAM that can be installed on a laptop. It depends, in particular, on the type of memory modules used, as well as on the number of slots for them. Paying attention to this parameter makes sense, first of all, if the laptop is bought with the expectation of
and the amount of actually installed memory in it is noticeably less than the maximum available. So laptops can be upgraded in RAM to 16 GB,
24 GB a>,
32 GB, 48 GB,
64 GB and even more -
128 GB.
Additional 2.5" slot
The presence in the laptop of an additional compartment for an internal drive of the form factor 2.5 ".
Usually, to install or remove a drive in such a bay, it was not necessary to disassemble the entire laptop — just remove the cover or remove the plug. As for 2.5", this is the traditional form factor for hard drives (HDD) for "laptop" purposes, although other types of media (SSD and SSHD — see "Media Type") can be produced in this format. For connection 2.5 "storage drives normally use the SATA connector — it is not as fast as more modern standards like M.2 PCI-E (see "Drive Interface"), however, it is cheaper, and for HDD this connector is quite enough.
Thus, the
presence of an additional 2.5" bay allows you to quickly and cost-effectively increase the total volume of laptop drives.
LAN (RJ-45)
Laptop LAN interface version.
LAN (RJ-45, colloquially “twisted pair”) is standard connector for wired connections to computer networks. The version of this connector is identified by the maximum data transfer rate that it supports. In practice, in most cases, 100 Mbit/s is quite enough, however, the development and cheaper technology has led to the fact that more and more laptops are equipped with 1 Gbit/s LAN; such connectors are used even among budget devices. And the most advanced version found in modern laptops is 10 Gbit/s. Mostly gaming models are equipped with such interfaces: high speed, among other things, reduces lag (latency) in online games.
