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Model Name: iMac
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So while it’s possible its not an easy process!
We don’t have a guide for your exact system but this one is very close to the same procedure to get the logic board out iMac Intel 27" Retina 5K Display Logic Board Replacement Keep in mind you need to use the correct tools and technique to get the display off otherwise you risk damaging it!
After taking the logic board out getting the current CPU out is not that hard but putting the new one in as a real pain! Many people struggle getting the CPU properly placed in the socket and/or damage the logic board socket in the process.
Of the three systems I got in which someone had attempted to install a replacement CPU in this design series two had damaged to logic board to the point I couldn’t save it.
Also be careful on what TIM you use and don’t over do it! It takes very little to do the job.
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wow that is a lot of work, seems like you would be better off just replacing with a mobo that can handle it.
@spacecadet420 - Sure replacing the logic board with the i9 installed already also works.
What is the best i9 chip ican upgrade for imac 5k 27” 2019 ( 3ghz 6core intel i5?
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I upgrade mine to the i9 10850K everything's appears to be working fine.
I'm worried that the power supply won’t last for a long time.
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Your lucky! Both have the same TDP and are based on the same microcode (Comet Lake).
macOS Monterey no issues with the upgradet iMac so far (10850K)
10850K not work, i was try this. iMac 2020 and 3.3Ghz i5 - 10600. When I replaced it, only 2 LEDs were on instead of 5. This indicates that the graphics did not start at all
@rsxkct3wpy40hp1 - are you sure you mounted the chip properly? These are hard to seat into the socket and if you’re no careful you can damage the chip as well as the socket.
Be aware unless you have the needed cable extensions you can’t test the system by the onboard diagnostic LEDs. Often the pulling on the cables damages the logic boards data cable connector and/or the cable it’s self.
I know of a few people who have swapped out the chip so it can be done.
may I know what your imac's Model Identifier is? iMac20,1, or iMac20,2? cheers.
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Here's your systems series: iMac20,1
these are the possible CPU's your system can support.
door Dan
Is possible upgrade with I9 10900KF??
thanks
door Eugenio
The 3.6 GHz Core i9 (I9-10910) is the best CPU Apple used in this series.
∙ Core i9-10910 Processor
∙ Core i9-10900KF Processor
As you can see you loose the UHD Graphics 630 which Apple uses at startup, and you wont get the higher clocking. Best to stick with what Apple used.
door Dan
Hi Dan
So you confirm that I can install the 10900KF? By not having integrated graphics it will heat up less.
Thanks
door Eugenio
@eullin - Cutting off your right leg will use less blood, but you can't run very well. This is the same issue as you'll loose the startup services without the IG services.
I personally wouldn't do it. Heat is really not an issue if you use a good thermal monitoring app like TG Pro.
I would also make sure the vents are not blocked and clean out the dust yearly.
door Dan
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