Processors (Intel® Core™, Intel® Xeon®, etc); processor utilities and programs (Intel® Processor Identification Utility, Intel® Extreme Tuning Utility, Intel® Easy Streaming Wizard, etc.)
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CPU in old Mac Pro



I have a Mac Pro 5.1 from 2012, originally Quadcore. I wonder if it can run 12-core CPU which I already have installed? Or is the Quadcore not made for that? The processor from the beginning was 3,2 GHz Nehalem (I guess) with 6 GB RAM. Now I have 2 x 3,06 Ghz Westmere with 128 GB RAM. Above that I have also upgraded to MacOS Big Sur 11.2 via open core. When I use Adobe apps the computer is too slow. I get beach ball all the time in Photoshop and very heavy load on CPUs in Dreamweaver. It takes 1-2 minutes to be able to work in Dreamweaver. I guess the machine is obsolete. Apple dropped it from support in June 2019. Mojave was the last system with natively support if you changed to Metal-compatible videocard.


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Super User

There is nothing that can be done for you here.  If Apple support cannot help you, then try an Apple support forum.

Doc (not an Intel employee or contractor)