Dedicated vs integrated graphics
Many of the people are confused when it comes to graphics should they opt for dedicated or integrated graphics card to buy for their laptop or desktop . so if your's question is that then it is the right place to your answer.
First we talk about what this Dedicated and integrated graphics are. so lets start without wasting our time.
Integrated Graphics Card
integrated graphics card generally refers to video card that is built in system mother board of a desktop or an laptop and uses system memory (i.e Ram and other resources) and system process (i.e CPU) to create graphics.
Dedicated graphics Card
Dedicated graphics card by the word "Dedicated" we simply say that chip set is devoted for a specific cause and that is for Graphics acceleration. These are generally separated from motherboard and have a specialized graphics processing unit called as GPU and dedicated video memory called VRAM.
Difference
For an example if your PC is equipped with 4 Gigabytes of Ram and integrated graphics card like Intel HD graphics and you are involved in designing something or watching a movie.
To perform those tasks some of the CPU memory and other resources are used and remaining system resources are used by Operating System and that share with remaining programs which in turn CPU and memory are overloaded which in turn degrades the performance of the PC and graphics.
That's the problem with the integrated graphics whereas Dedicated graphics have it own video card and memory VRAM to perform those tasks so by utilizing its own memory and leaving the system memory for other programs which in turn increases the performance of the PC.
Pros and Cons:
Though using dedicated graphics increase the performance of the pc still it have issues as it consumes a battery a lot compared to integrated and these are high cost compared to integrated graphics.


