What is Overclocking?
Is it safe?
What does it actually do?
What are its drawbacks?
To understand the answers to the above questions, let us understand a few basic.
Overclocking is mostly done in CPU (Central Processing Unit) and GPU(Graphical Processing Unit) to increase performance. Every CPU and GPU has its own clock speed. Clock speed denotes the number of cycles the processor can perform in a unit time. What Overclocking does is that it increases the number of cycles. Thereby increasing the performance. People who wish to increase their gaming performance or with high-end graphical requirement usually Overclock their GPU.
But is it safe?
The answer to this will depend on many factors. Overclocking increases the voltage used, makes the unit unstable and the most notable one is the heating issue. If you are in a tropical country and use your device without and cooling options you can surely make fried eggs on your device. Some people even go to the extent of using liquid hydrogen for the sake of cooling. By this method they overclock the CPU upto 7.1GHz which is so wicked fast. Also, most of the manufacturers don't give warranty on an Overclocked device.
But on the bright side, it does increase your performance and it is so easy to Overclock. Personally, I use an Overclocked AMD Radeon GPU and it works perfectly fine. It can be done using the Radeon's crimson catalyst application. Many 3rd party applications are also available, just adjust the speed by typing the values in the box and your CPU will be Overclocked. And we also have to keep in mind that all CPU won't support Overclocking.