Can I upgrade to 4.0ghz
can I upgrade the cpu to a 4.0ghz i7 with the 3.5 ghz i7 logic board?
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Possibly - it is a socketed CPU, but what would you upgrade it with? You can not stick just any old CPU onto a Mac logic board. The EFI has to identify the CPU so only a "OEM" CPU (one that has been used on that logic board by Apple, e.g. offered as an upgrade) would work. So, if you are going from an i5 1.4GHz CPU to an i7 3.4 or 3.5 it is possible.
This is a lot of expense and work (often for little, or no, real performance increase). You'll have to acquire a new CPU, that's a few hundred dollars, and to access and replace the CPU you have to basically completely dismantle and reassemble the machine... any mistakes along the way will increase the cost, and could potentially leave you with a nonworking box (This is not a project for a novice DIYer).
It may be simpler to sell the machine and purchase a newer faster iMac or Mac Pro.
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Ok well i have brought a late 2013 imac with a 3.2 i5 this is the first imac i have ever owned.
this year i have already brought a new 15" mbp and a 13" mba so no im not going to go out and just buy a retna imac to save the hassle if thats what anybodys thinking.
i already have the i7 3.5 logic board from a late 13 model i was going to swap them out to put the 3.5 logic board in the mac i just brought, i cant seem to find anywhere in the world a logic board from the new imac retna which already has the 4.0ghz cpu support if i could find one of those logic boards problem solved i cant even seem to find the part number for it, if anyone knows where to get one please let me know.
Ok so anyway all i want is to upgrade this mac to a 4.0ghz cpu which will mean i wont have to pull it apart for a few years well i hope. If i can....... i plan to use the i7 4790k in the 3.5 i7 2013 logic board which supports i7 4770k normaly, could this possibly work? What do i need to look at to come to a conclusion? Bus speeds? I dont know thats why im asking, are they still using this logic board in the new retna? Its been a few years ( maybe ten) since i built my last pc but im sure i can handle the fragile and dangerous imac
из osiris111
osiris111 - For future reference you posted a Question in the place where only Answers belong. Please use the add comment link to the appropriate Answer, Question or create your own original Question. The reason you can't find any new boards is Apple does not sell their boards, you'd have to fin a "new but damaged" iMac, who's damage does not include a logic board... a rare specimen indeed. Reread my answer about using non-OEM CPU on Apple products. Apple products are not like PC build your own boxes...
из originalmachead