Thursday, 30 August 2018

14nm, 10nm or 7nm: What deos it mean in a SOC architeture?

Nanometer architecture of chipset?
We all use phones a lot these days that it has become a very important component in our life. These phones are just like our small computers but with smaller screen and less performance. Just like computer's processor these phones have small chips known as SOCs. These SOCs are built on certain architecture. So what does this architecture mean with respect to these SOCs. This is the thing which we are going to discuss in this article.
As the name implies architecture mean the engineering design of the SOC. SOC stands for System on Chip. This chipset is made up of Integrated Circuits. Integrated Circuit is a set of electronic circuits on flat piece. Integrated circuit is made up of integration of large number tiny transistors on a small chip. Transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.
Now we must have heard of various SOCs built on that much nanometer architecture. So what does this term nanometer actually mean? This nanometer tells us the size of these tiny transistors which are used on the chip. We must have heard various chips with their respective nanometer architecture. We have also seen that these nanometers count is decreasing with the new chipsets coming. So why?
The explanation to this is that smaller transistor sizes are more power efficient. Not only the power it's performance will also be good. As transistors get tinier and tightly packed the electrons don't have to travel so far while moving between them. This results in saving of both time and energy. So as time  reduces the processor can do tasks quickly thus improving the performance. And as energy consumption reduces more power efficient will be the phone and hence the battery life of the phone will be better. That's why companies like QUALCOMM and Samsung are manufacturing chipsets with less nanometer count these days for smartphones. The latest chipsets Exynos 9810 and Qualcomm's Snapdragon 845 are both built on 7nm architecture.


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