HOW TO CHOOSE A FAST AND PERFORMING PORTABLE PC?
In the case of a laptop that we want fast and efficient, a few points are essential to check before finalizing your purchase. We will not talk about screen quality, resolution or connectivity of any kind because all this is based on "comfort of use", but some essential points to control to be sure to buy a fast and powerful PC
The top 4 things to considered when buying a new laptop in 2019
1) THE PROCESSOR
This is the heart of the computer; the performance and speed of your laptop will be conditioned by the power of its processor. It is therefore essential to choose a powerful processor adapted to your needs. This power is expressed in GHz, so a 2.0 GHz processor will perform better than another 1.6 GHz, provided also to look at the number of “hearts” that makes up the processor. A dual-core processor 2.0 GHz will be less powerful than another with 4 cores clocked at 2.0 GHz.
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Choosing a good processor will allow you to play video games, edit photo or video using software that requires a lot of resources to function properly.
At Intel, there are several families of processors dedicated to laptops:
· Core M: Processors that are not very powerful but do not require active cooling to work
· Core U: very low consumption dual-core processors where the power of the processor is automatically regulated according to your use
· Core HQ / MQ: High-performance processors with four cores
The name given to a processor breaks down as follows:
· The brand: Intel Core
· The model: i3, i5, i7
· The generation indicator: this figure is incremented with each new evolution (each year)
· The reference of the processor
· Suffix: corresponding to the processor family (M, U, HQ, MQ)
You can also use the official website of Intel (ARK), it's a real wealth of information on the characteristics of processors, it will be very useful for comparing and analyzing references. You can then more easily compare Intel-based laptops and make the best choice.
2) THE LIVE MEMORY (RAM)
RAM or RAM is used to store the data during processing by the processor. Thus an important memory will allow the processor to have access to more data. If it is not important enough, some of this temporary data will be stored on the hard disk. However, hard drives use a mechanical technology, with a much longer read and write access time. That's why having a larger memory capacity will make your laptop faster and more efficient.
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Today, 4 GB of RAM seems to be the minimum to avoid slowdowns in the context of office use. For more resource-intensive use (video games, photo editing, video editing, architecture software, etc.), it will choose a laptop with 8 or 16 GB of RAM (DDR3 or DDR4). One must also pay attention to the frequency of use of the memory (1600, 1866 or 2133 MHz) which influences its general performances.
3) THE HARD DISK
The hard disk is the storage space of your computer. This long-term storage persists even when the computer turns off, unlike the RAM where the data is volatile. Two major HDD families exist today: HDDs that use mechanical storage with multiple turntables and SSDs that rely on electronic flash memory (no mechanical parts therefore). SSDs are much faster, the access time is almost zero and read and write time is divided by 5 compared to a traditional hard drive (HDD).
The SSD is the choice of performance, fluidity and speed. It is this type of hard drive that you should choose for a powerful and fluid computer. Attention, however, SSDs are more expensive than HDDs and offer less storage capacity.
To know more, consult our file: Which hard disk for my laptop? HDD, SSD or SSHD
4) THE GRAPHIC CARD
Its main function is to manage the display on your screen, it also manages the rendering of images in 3D. It has its own processor for calculation and its own internal memory that stores and exchanges data with the graphics processor.
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It is therefore essential to have a graphics card with a sufficient amount of memory (minimum 4 GB) to store the textures and "unload" the graphics processor. Its frequency (expressed in MHz) and its type (GDDR3, GDDR5, etc.) plays a very important role in the speed of data exchange with the graphics processor (GPU).
In general, it is difficult to compare graphics cards with each other because many elements are to be taken into consideration (number of computing units, architecture, fineness of engraving, type of memory, etc.).
There are two major manufacturers in the notebook market: AMD with its Radeon and Nvidia with its GeForce.
As for the processors, these two manufacturers offer different ranges of graphics cards, which also condition the final price of the laptop. A wide choice in which it is not always easy to find oneself, but necessary so that everyone can find happiness according to his needs and his budget. High-end chips (GeForce GTX) are usually built into gaming laptops.
Beware however, on laptops graphics cards are not changeable. In the context of intensive use (video games, editing, architecture software, etc.), learn more about the capabilities and performance of current graphics cards. The official website of Nvidia and AMD should allow you to trim your search.
Note that for office use / internet, it is not necessary to have a dedicated graphics card. Indeed, the processors are now equipped with an integrated graphics processor ("Intel HD Graphics") that manages the display without resorting to a remote solution as we have explained previously.