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1.7 GHz dual-core Intel Processor (Turbo Boost up to 2.6 GHz) with 3 MB shared L3 cache

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Need help differentiating I7 from i5 logic board

I am replacing an i5 logic board on a an 11" 2012 MacBook Air with an i7 logic board of the same era. I mistakenly but both boards next to one another and now I can't remember which is which. Is there a way to tell? All help is appreciated!! Thanks.

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@kristacouch both boards will be 820-3208 logic boards and are identical in appearance. The i7 will be a 661-6628 or 661-6627 (depending on processor speed) and the i5 will be 661-6625 or 661-6626 (depending on processor speed) See if you have any other labels on those boards that might help to identify them. Post some pictures of those with your Question so we can try and help you further.

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Krista Couch will be eternally grateful.
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