Question

Difference between vram and graphics card

Answer 1

perhaps that may help you

Answer 2

The difference is like huge…

The shared graphics or the Integrated graphics comes along with your CPU… The CPUs have integrated graphical processing unit to handle light graphical processing works. If your laptop or system specification list says that it has 2 GB integrated or shared graphics, it doesn’t mean that your CPU comes with a vRAM to handle the graphics… It actually takes up 2 GB of your system’s DRAM for mild graphical works like 2D modelling or little video editing works…

A dedicated graphics is more powerful than a shared GPU and it has a dedictae VRAM (in your case 1 GB) to handle all the graphical works… The integrated GPU is powerful, but not powerful enough to render 3D games….

The dedicated GPU (may be nvidia or AMD) has lot of processing power and they are fabricated to serve only one purpose i.e. to handle complex calculations which includes graphical processing too… It also has an embedded VRAM which is intended to store graphical data and send it to the GPU for processing which is way more powerful than a typical DRAM…

A DRAM can store data till the storage reaches the limit, but it can not transfer graphical data faster than a VRAM… A VRAM can transfer graphical data to the GPU much faster, so it takes only less time to draw the requested graphical pixels on the screen…

If you have a 2 GB integrated graphics and 1 GB dedicated graphics, it doesn’t mean that your system has 3 GB in total… Your OS decides which one to use to handle the task in hand… If it is not that intensive, then it leaves it to the CPU to handle it… But if the task is graphically intensive, then the control will be automatically taken over by the dedicated GPU… But in a PC with a Graphics card, the output unit (monitor) will be directly connected to the graphics card itself and in that case… anything you want to display on the screen will be handled by the dedicated GPU…

In general if a PC has two Graphics cards , it doesn’t mean that the system is going to utilize both… It can utilize just a single GPU to which your monitor is connected to…

To make linking of GPUs possible both Nvidia and AMD provided an interface… In nvidia it is called a SLI which is the way of linking two GPUs using an SLI bridge, thus the system can utilize the full potential of both the GPUs… in AMD is it called as crossfire interface… Both the interface makes sure that both your Graphics cards are used to handle graphical tasks… But this comes with a series of restrictions too… You can interface only two similar GPUs and not just any GPU you want…

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