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metfor

More RAM, more VRAM on VEGA 3?

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Posted · Original PosterOP

Hi, I have an Ideapad S145 S145-15api. It has an Athlon 300u Vega 3 with 512mb of VRAM and 4GB RAM. If I put another 4GB ram stick, that is, 8GB RAM in total, will Vega 3 have more VRAM? Maybe this image can help, dont know ?

image.thumb.png.dc210c8ddfe8d35bc68fa6f0ac887314.png

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No, adding more RAM won't give you more VRAM. VRAM is different, and is an internal component of your GPU. If you want more VRAM, you'll have to upgrade your graphics card.

 

Edit: Just noticed that this is a laptop, not a desktop. I'm not sure how possible it is to upgrade your graphics card on a laptop, if it is at all. I mostly work with desktops. If you want better specs for playing games, you probably just need to get a new computer. Even if you add more RAM, it's not going to fix the fact that you only have 512 mb of VRAM.

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Well yes and no. 

PCs are clever, so even with a dgpu, if It runs out of memory, it'll start using dram instead of vram. Standard vram is a lot faster though so it's not really all that helpful. Your iGPU really hasn't much potential to begin with so it can't even utilize a lot of ram. 

You are better of getting the fastest ram your system supports. That way you gain more performance than more ram.

 

 

Edit: but then again, any modern PC should really have 8gb or more ram. 


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You have 4GB of RAM in your system, 0.5 is dedicated to your GPU, 3.5 GB is for the CPU. You could allocate more than 0.5 GB of RAM to your GPU, but it will take away from your CPU ram.

With 8GB of total RAM you could give 2 GB to your gpu and 6 GB to your cpu as an example.


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1 minute ago, Medicate said:

You have 4GB of RAM in your system, 0.5 is dedicated to your GPU, 3.5 GB is for the CPU. You could allocate more than 0.5 GB of RAM to your GPU, but it will take away from your CPU ram.

With 8GB of total RAM you could give 2 GB to your gpu and 6 GB to your cpu as an example.

Wait is that really a thing you can do? I had no idea. Is this just a laptop thing that doesn't apply to desktops? From what I understood graphics card VRAM was a separate thing at least in desktops.

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Posted · Original PosterOP
1 minute ago, Medicate said:

You have 4GB of RAM in your system, 0.5 is dedicated to your GPU, 3.5 GB is for the CPU. You could allocate more than 0.5 GB of RAM to your GPU, but it will take away from your CPU ram.

With 8GB of total RAM you could give 2 GB to your gpu and 6 GB to your cpu as an example.

Can i do that? Do i need to use BIOS for that?

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2 minutes ago, metfor said:

Can i do that? Do i need to use BIOS for that?

Most likely yes unless it automatically changes it when it detects more ram but I doubt that.

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3 minutes ago, WaggishOhio383 said:

Wait is that really a thing you can do? I had no idea. Is this just a laptop thing that doesn't apply to desktops? From what I understood graphics card VRAM was a separate thing at least in desktops

It's how integrated graphics work, they don't have their own VRAM, they just use system RAM


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Posted · Original PosterOP
3 minutes ago, Medicate said:

It's how integrated graphics work, they don't have their own VRAM, they just use system RAM

Thanks 

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