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A2115 / 2019 / Processors from 3.0 GHz 6-core i5, up to 3.6 GHz 8-core i9. Released March 19, 2019.

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upgrade processor iMac 2019

Hi guys, i searched on google but i coudn’t find an aswer, are the imac 2019 imac processor upgradable like 2017?

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Does anyone know if the i9 2019 imac can be downgraded? I've got an imac that randomly reboots or turns off, and changing ram doesn't help. So am thinking of just trying a different CPU to get it into a working state, and don't mind the speed downgrade.


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The CPU’s are socketed in the 27” iMac models so far.

As far as upgrade, you will be limited to what the given series have used. So here you are limited to these iMac19,1. Now there is a rub here! unlike previous series, this one also has two very different GPU options.

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AMD Radeon Pro 575X and the others

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AMD Radeon Pro Vega 48

The logic board are configured differently so its also possible the EFI firmware may not have the needed CPU micro code for some chips.

You are also limited the chips which TDP does not exceed the what Apple has used so you can’t use some variations of CPU’s.

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Any one knows if it's possible to upgrade the 5k imac 2019 with a i7-8700?

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The systems BIOS (EFI) is limited to what Apple used for CPU's as the Intel microcode it holds needs to be accessible. The i7-8700 was not offered in the 27" model only the 21.5" model.

Here's a listing of what the 2019 27" iMac came with iMac19,1


I can tell you that my iMac 5K 2019 will not boot up with an i7-8700 'K' model. This iMac is supposed to handle 95W TDP, which is the spec listed for this i7-8700K CPU. Alas, it appears that the microcode is not supported.


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