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Choosing a laptop depends on what you plan to use it for. The working tool must meet the requirements of performance and adequate price.
The main parameters that you need to pay attention to, taking into account the specifics of your work:
1) hard disk volume;
2) RAM capacity;
3) processor frequency;
4) duration of operation from the battery;
5) availability of additional functions.
The first important parameter for a laptop is the capacity of the hard disk. If the main activity is to work with text files, then a large volume is not required. In this case, 160 to 500 GB is enough. A disk with a volume of 500 gigabytes can freely accommodate video files and games in sufficient quantity. But if the essence of the profession consists in working with a large amount of video production, then the desired volume of the hard disk is from 500 to 3000 GB.
A processor is the brain of a computer, it can be manufactured by Intel or AMD. And also be single-core (old models and netbooks), two- or even four-core. Processor frequency is an indicator of computer performance in one second. That is, from this indicator spare parts for laptops again, it depends on the speed of work. For operations with serious graphic editors and video editing, a higher frequency is required. An average processor is sufficient for working with Excel and Word, as well as watching videos.
The video card can be built into the processor or removable. Both have their pros and cons. A laptop with a built-in card costs less, consumes less energy, but its performance is lower. The removable card provides a high level of graphics and performance. However, it consumes more energy and costs more. For modern high-tech games, only a discrete (removable) video card is suitable.
The RAM stores the current information, and the speed of the computer depends on it. If you plan to work mainly with text files, then a large amount of RAM will unjustifiably affect the purchase price. In the case of work that requires high productivity per unit of time, a large RAM will play a very important role.
Long-term battery life is required for frequent trips to work with a laptop. The minimum recommended working time without recharging is 6 hours. However, if it is planned to use the device stationary, then this indicator is not fundamental.
Finally, you need to decide how many USB connectors are needed (for a mouse, flash drives, external hard drive) and whether you need a connector for an additional monitor. If the laptop will often be used on trips, you should also immediately purchase a case for it.
