What is VRAM and why is it different from RAM?

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You may have heard the term “VRAM” before – especially when tech folk like me talk about graphics cards, but not sure what it is or why it’s any different from your normal RAM. This video will explain all that for you!

So, what is “VRAM”? It stands for Video Random Access Memory and like the name suggests, it’s short term memory for your graphics card. It’s completely separate from your normal system RAM – so if you are worried about having say GDDR6 on your GPU, but only DDR4 on your CPU, since they are completely separate it’s all good.

So looking at the VRAM, what is it used for? Well, it’s often referred to as the “frame buffer”, as it’s the place where the partially, and fully rendered frames sit before being copied to your display. It may also be used to store the textures that are placed onto objects in the game which the graphics core will call on when rendering the frame. This is getting a bit detailed, so if you’d like to know more about how a graphics card works then check out my tech explained video on that in the cards above.

On that note, the reason you might need a graphics card with say 8GB of VRAM over one with say 6GB is that as games become more detailed and as you want to run at higher resolutions – like 1440p or 4K – the amount of space needed to store those frames and textures, among other things, goes up. So for example the RTX 2060 has 6GB of VRAM – which means at the current time, it’s not something you’d want to be gaming at 4K all too much as it fills those 6GB pretty quickly. An RTX 2080ti on the other hand has 11GB of VRAM, meaning it’s much more suited to high resolution gaming.

I hope this video has been useful for you, and as always if you have any questions or if you’d like to see me cover something in particular then let me know in the comments below!

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