GPU stands for the graphics processing unit. It is a specialized processor which is designed to accelerate graphics rendering. In simple words, it helps with displaying and regulating graphics on your laptop screen, making them much more useful when it comes to 3D modeling, rendering, machine learning, and video edition.
With the help of the GPU, you can run multiple designing, modeling, and rendering software with ease. Furthermore, you can adjust the depth of the field, glossy reflection, and other rendering areas. In short, it helps enhance your experience when working with visuals.