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<blockquote data-quote="LopeDeAguirre" data-source="post: 1887017" data-attributes="member: 408334">Thanks for the welcome.Indeed, I am referring to the&nbsp; 2020 27&quot; 5K iMac. The graphics unit in this iMac is discrete, you are right. (That's the Radeon part I was referring to.) But there is also a GPU integrated in the CPU.The die picture shows it. First the i7 with unit identifications[URL unfurl=&quot;true&quot;]http://cdn.wccftech.com/wp-content/uploads/2015/08/Intel-Core-i7-6700K-Block-Diagram.png[/URL]and very similar the i9-10910[URL unfurl=&quot;true&quot;]https://www.bestbuycpu.com/wp-content/uploads/2020/07/3RzUmxbTJdYUDBpsMeHxLS.jpg[/URL](Integrated GPU on the right hand side this time)It seems unused - what a waste. I just wonder if there is some functionality in the OS that makes use of it, even though all graphics are produced in the Radeon. 25% of the die permanently unused by the OS, really?</blockquote>

[QUOTE="LopeDeAguirre, post: 1887017, member: 408334"] Thanks for the welcome. Indeed, I am referring to the 2020 27" 5K iMac. The graphics unit in this iMac is discrete, you are right. (That's the Radeon part I was referring to.) But there is also a GPU integrated in the CPU. The die picture shows it. First the i7 with unit identifications [URL unfurl="true"]http://cdn.wccftech.com/wp-content/uploads/2015/08/Intel-Core-i7-6700K-Block-Diagram.png[/URL] and very similar the i9-10910 [URL unfurl="true"]https://www.bestbuycpu.com/wp-content/uploads/2020/07/3RzUmxbTJdYUDBpsMeHxLS.jpg[/URL] (Integrated GPU on the right hand side this time) It seems unused - what a waste. I just wonder if there is some functionality in the OS that makes use of it, even though all graphics are produced in the Radeon. 25% of the die permanently unused by the OS, really? [/QUOTE]

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