Originally posted by marek
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Remove one memory module, you will see about half speed. Put slowest dGPU just with GDDR5 and that will beat all of them. and so on...
Whole purpose of having that chunk of eDRAM is to be less bandwidth bound.
So it is normal to be slower there, only maybe DCC engine might help there on Ryzen APUs to be in range of Iris Pro's eDRAM, as that at least theoretically can save bandwidth by up to 30%.
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