In this article of Info Techs we will talk about why we need graphics card and those computer which don’t have it but do have on-board graphics.
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Old computers used to have Intel media graphics accelerator. I used to think that it was graphic card but in actual it was on-board graphics. On-board graphics works with the help of your CPU. There isn’t any separate processing unit for it. So, if you are playing some game with on-board graphics complete load is on CPU. CPU is processing all the graphics.
The problem is that why can’t we implement graphic card on CPU. An external graphics card have its own processor. The job of that processor is to process graphics. Why can’t we adjust that processor with CPU? The biggest problem is of space. The fabrication is too small so it can’t be adjusted there. If somehow we manage to adjust that processor with CPU they will produce too much heat. Separate graphic card is needed because it is a different unit. It have more fans. You might have seen that there is only one fan above your CPU chip but graphics card have multiple fans. The reason is that graphic card generate more heat.
The companies which produce CPU their first task is to make CPU work somehow. Graphics and games are secondary task. That’s why they are considered later.
Difference between On-board graphics & Graphics Card
The memory type of graphic card is different from normal CPU its architecture is different because it is made for the sole purpose of enhancing graphics. So, we can say that CPU and graphic card are both processor but CPU is to perform normal tasks and graphics card is to enhance graphics.
Is it too necessary to have a graphics card?
The answer is No. I once have a dual core system maybe 7 to 8 years back it didn’t have a graphic card but it did have 2GB RAM and on-board Intel graphics media accelerator. I have played a lot of games on it like GTA San Andreas and call of duty modern warfare 2 and they worked great. So, if you buy a modern processor and you don’t have a graphic card you can still play some real cool games on it. Games like GTA 5 might also run if your other specs are really good.