Stan` Posted July 15, 2020 Report Share Posted July 15, 2020 I believe APU do not have dedicated VRAM. You can configure the amount of RAM they use in the BIOS/UEFI. Quote Link to comment Share on other sites More sharing options...
smiley Posted July 15, 2020 Report Share Posted July 15, 2020 Huh. I see. I assumed it was like the Intel integrated graphics. Quote Link to comment Share on other sites More sharing options...
OptimusShepard Posted July 15, 2020 Report Share Posted July 15, 2020 (edited) Correct, APUs don't have an own VRAM, they using the RAM. This is why the RAM is that important for the GPU speed. Dual channel configuration can double the performance compared to a single setup. And an 3200MHz RAM compared to an 2400MHz can have another impact of 25-35%. As @Stan` said it's possible to configurate the amount of RAM usage in the BIOS, but this not necessary. The usage is dynamicaly managed by the OS. So changing this configuration in the BIOS can make it worse than better. Edited July 15, 2020 by OptimusShepard Quote Link to comment Share on other sites More sharing options...
OptimusShepard Posted July 15, 2020 Report Share Posted July 15, 2020 1 minute ago, smiley said: Huh. I see. I assumed it was like the Intel integrated graphics. Intel has two different integrated graphics. I guess you meant the Iris Pro graphics? The normal integrated graphics do also use the RAM. Quote Link to comment Share on other sites More sharing options...
Stan` Posted July 15, 2020 Report Share Posted July 15, 2020 Intel uses both. They have like 128MB integrated and then "steal" the rest. Source: https://www.intel.com/content/www/us/en/support/articles/000020962/graphics.html Quote Link to comment Share on other sites More sharing options...
OptimusShepard Posted July 15, 2020 Report Share Posted July 15, 2020 (edited) 57 minutes ago, Stan` said: Intel uses both. They have like 128MB integrated and then "steal" the rest. Source: https://www.intel.com/content/www/us/en/support/articles/000020962/graphics.html From what I understand of you link, they have no separate memory. They explain the false Windows display in the bottom boxes. The Iris Pro uses some eDRAM. Don't know if there are some more Intel CPUs with separate VRAM. Edited July 15, 2020 by OptimusShepard Quote Link to comment Share on other sites More sharing options...
Stan` Posted July 15, 2020 Report Share Posted July 15, 2020 Ah indeed you are correct. Quote Link to comment Share on other sites More sharing options...
OptimusShepard Posted July 15, 2020 Report Share Posted July 15, 2020 I remember there is another CPU which has his own VRAM. There was a Intel AMD cooperation. Intel has used some AMD graphic chips. They used HBM for the memory. But this CPU was very exotic, no normal mainstream CPU. Quote Link to comment Share on other sites More sharing options...
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