Comparison Lenovo V15 G4 IRU [83A100ABRM] vs Lenovo IdeaPad 3 15IAU7 [3 15IAU7 82RK011PRA]

Laptop display certification for safe blue light emission levels and panel flicker rates. The presence of a TÜV Rheinland certificate confirms that the screen is comfortable for the eyes.

TÜV Rheinland is a large international concern headquartered in Cologne, Germany, providing a wide range of audit services. The company's specialists have developed and approved a number of tests for the compliance of the screens of mobile devices, monitors and TVs with the required level of eye protection from the harmful effects of display radiation on the user's vision on the other side of the screen. The authoritative opinion of TÜV Rheinland is respected in the tech community. Certificates from this body are issued to successfully tested electronics for the implementation of blue light filtering and screen flicker suppression technologies.

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.

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). 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. Detailed data on different code names can be found in special sources.

The number of cores in the laptop CPU.

The core is a part of the CPU designed to process one thread of instructions (and sometimes more, for such models, see "Number of threads"). Nowadays, in laptops you can find dual-core, quad-core, six-core, eight-core, ten-core, 12-core, 14-core CPUs. Also note that recently configurations with different types of cores as part of a single CPU are gaining popularity. Such chips are built on a hybrid architecture that combines high performance and energy-efficient cores. They operate at different clock speeds, have different amounts of pre-installed cache memory and are designed to solve different problems. In particular, such CPUs are found in Intel CPUs (from the 12th generation) and Apple.

Theoretically, more cores means higher performance, especially in parallel computing tasks or when processing multiple resource-intensive tasks at the same time. However, in practice this is true only all else being equal – that is, with a similar microarchitecture, clock frequency, cache volumes and other key parameters. Modern CPUs can vary greatly on these parameters – in itself, a greater number of cores does not mean superiority. This is especially true for dual- and quad-core chips: a mobil...e-level CPU (for example, Snapdragon, see "CPU series") with 4 cores may well be inferior in capabilities to a dual-core desktop series chip (like Core i3 or i5, which are often used in universal laptops with the "optimal" set of specifications for different tasks). When evaluating CPUs with two or four cores, it is necessary to look, first of all, at the general set of characteristics. But the presence of six, eight or more cores is almost certainly a sign of a powerful CPU. Such equipment is typical mainly for advanced gaming and professional laptops.

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).

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.

The amount of heat generated by the processor during normal operation. This parameter determines the requirements for the cooling system necessary for the normal operation of the processor, therefore it is sometimes called TDP - thermal design power, literally “thermal (cooling) system power”. Simply put, if the processor has a heat dissipation of 60 W, it needs a cooling system that can remove at least this amount of heat. Accordingly, the lower the TDP, the lower the requirements for the cooling system.

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).

A series of video cards installed in a laptop. Different models of video cards within the same series can vary significantly in performance, but their key features are usually the same.

— Intel HD Graphics. Integrated graphics cards, the first solution in the Intel line to be built directly into the processor (before that, integrated graphics were part of the motherboard).

— Intel Iris Graphics. Integrated graphics cards introduced in 2013 at the same time as some Haswell microarchitecture processors. In fact, this series is an advanced version of the Intel HD Graphics described above, with increased performance.

— Intel Arc. Graphics accelerators based on the Xe HPG architecture, produced since 2022. The Intel Arc series is aimed at providing high performance graphics rendering (including gaming). Mobile video adapters of the line are supplied with hardware modules Matrix Engines (XMX) - they support the Intel XeSS image reconstruction method based on artificial intelligence algorithms.

— nVIDIA GeForce. A series of graphics cards that includes exclusively discrete solutions (see "Graphics card type"). At the same time, such models are quite capable of operating in hybrid graphics mode, in combination with a video chip built into the processor.

— nVIDIA Quadro. The latest generation o...f graphics adapters from nVIDIA are positioned by the developer as professional solutions primarily for 3D graphics.

— NVIDIA RTX A. A high-performance line of graphics cards for graphics, video processing, scientific discoveries and projects in VR. Maximally accelerates the execution of graphic and computational tasks when operating with large data arrays.

— AMD FirePro. Discrete graphics cards originally designed as high-end workstation solutions. Among laptops, they are found in premium-level models that focus on increased performance.

— AMD Radeon. A family of video cards from AMD, used primarily in laptops with processors from the same brand. Includes solutions of various types (integrated and discrete) and level (from low-cost to high-end).

— Qualcomm Adreno. Integrated graphics found in Qualcomm's Snapdragon processors (see "Processor Series"). It is primarily a solution for mobile gadgets, so it does not differ in performance, but it is very efficient in terms of power consumption.

— Apple. Usually, in this case, it means the graphics core built into the Apple M1 processor (see "Processor series"). The first generation of these processors used eight-core (rarely seven-core) integrated GPUs with support for up to 25,000 threads simultaneously.