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iMac Intel 27" EMC 2309 (Late 2009, Core 2 Duo 3.06 or 3.33 GHz) ID iMac10,1, EMC 2374 (Late 2009, Core i5 2.66 GHz or Core i7 2.8 GHz) ID iMac11,1

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Incompatible parts: iMac27 EMC 2309 and 2374 (Late 2009)?

These imac27 EMC 2309 and 2374 (Late 2009) are very similar; I wonder which parts are incompatible? I guess only the CPU, logic board and PSU?

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They are twins! Lets look at the two systems for whats different

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Only one thing! The CPU's!

This series was the transition between the Core2Duo to the newer Core 5 & Core7.

Lets look at what is the performance differences between them Aluminum iMac Q&A - Published December 6, 2009

I would spend some time over at EveryMac - Lookup digging though what they have, and only the CPU's are different.

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Does this mean that I could upgrade the CPU on EMC 2309 to Core 7, without changing anything else?

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@tonyh2 - Yes, BUT! It needs to be 860 chip and Intel hasn't made the chip since ~2010 so its a bit of a crapshoot getting a good one if you can find it.

On the most part its not really worth the effort ;-{

Your skills on working on your system then gets into the mix, you could create a mess and then where would you be? There is just not enough performance gain in my mind.

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