Question Will adding more RAM give more memory to integrated graphics?

Mar 10, 2021
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Wouldn’t adding more memory to the system allows for more shared memory to be used by integrated memory?
 
Mar 10, 2021
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Okay thank you. I have 8 GB of ram with Iris Xe 80eu for iGPU. Dxdiag shows that about 4 GB are being used for shared graphics. Is 4GB the max memory to that this graphic card will use? Adding more RAM will not help at this point correct?
 
Mar 10, 2021
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Yeah even though the 11th Tigerlake graphics can beat a mid range graphic like GTX940m in benchmarks, the Tigerlake still severely underperform in some memory demanding games when compared to the GTX940m. I feel like a 8GB laptop cannot use Tigerlake to its fullest potential when half of the RAM goes to the system and the other half gets eat up by the iGPU. The game itself still needs RAM to run.
 

boju

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System memory that is shared for vram is dynamically allocated, so it's not a fixed size. Depending on application, actual use will vary depending on graphics / resolution settings. So potentially 4GB but may only use a portion of it and rest would allocate to where it's needed.

You can set a fixed size in the Bios but wouldn't bother. Igpu will use as much ram for video when needed. Mind you, 4GB worth of stored texture size in a game generally means a heightened level of details, which means performance beyond an igpu is capable of.

Adding another stick (for dual channel?) is worth doing anyway for better overall performance.
 

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