Model A1312 / Mid 2011 / 2.7 & 3.1 GHz Core i5 or 3.4 GHz Core i7 Processor, ID iMac12,2

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Change processor from native quad core i5 2500S to i7 2600

Hi Folks! Can you help me with this question? I have iMac with i5 2500S (Sandy bridge), all works fine, but I need more powerful processor, I look on i7 2600.

This is real or not?

Thanks forward!

Answered! View the answer I have this problem too

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Please give us the last four figures of you serial number as your machine identification is incomplete.


Got it! Copied from about may mac serial - DHJP


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Apple iMac "Core i5" 2.7 27-Inch (Mid-2011) Specs Identifiers: Mid-2011 - MC813LL/A - iMac12,2 - A1312 - 2429

Details: *Officially, Apple provides no information about whether or not the processor in this model can be upgraded and the company does not intend for one to upgrade the processor either. However, this processor supports an LGA 1155 (H2) socket and it is possible to upgrade the processor to some extent.

You should have no problem upgrading to this, but I would stay with a known Apple version of it:

Processor Speed: 3.4 GHz Processor Type: Core i7 (I7-2600)

Details: This custom configuration is powered by a 32 nm, 64-bit Intel Core i7 "Sandy Bridge" processor with quad cores (four independent processor cores on a single silicon chip). Each core has a dedicated 256k level 2 cache and all processor cores share a single 8 MB level 3 cache. This "Core i7" processor supports Hyper-Threading (it has two threads per core for a total of eight threads for the system, effectively four real cores and four virtual ones) as well as Turbo Boost 2.0 (the system can dynamically increase the processor clockspeed to 3.8 GHz when tasks demand).

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Thank you for your answer!


You bet. Please keep us apprised of your progress on this upgrade.


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Hello! I changed processor from native quad core i5 2500S to i7 2600.

It worked, but when I tested with Geekbench 4, I have 1679 Single-Core Score and 5272 Multi-Core Score!!!

In Intel Power Gadget the Frequency is 1,6 GHz all time.

Help me please!

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the maximum top for 2500s is 65w when the maximum top for i7-2600 is 95w. maybe the is the problem. you should go for i7-2600s


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Arthur Ivanov will be eternally grateful.
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