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What is the deal with mobile GPUs vs PC GPUs?
(lemmy.world)
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this post was submitted on 02 Apr 2024
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Also, AMD APUs use your main RAM, and some systems even allow you to change the allocation - so you could allocate say 16GB for VRAM, if you've got 32GB RAM. There are also tools which allow you can run to change the allocation, in case your BIOS does have the option.
This means you can run even LLMs that require a large amount of VRAM, which is crazy if you think about it.
Problem is, system RAM does not have anywhere near the bandwidth that dedicated VRAM does. You can run an AI model, but the performance will be 10x worse due to the bandwidth limits.