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Repair guides and disassembly information for the MacBook Pro 16'' released in November of 2019. Model A2141, EMC 3347.

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Upgrade CPU with Intel 12th or 13th generation on 2019 16” MacBook Pro

Hi

I was wondering if it was possible to upgrade the CPU of a 2019 16” MacBook Pro with the new 12th and 13th generation Intel processors

I'm aware that the CPU is soldered to the motherboard, but I've seen some CPU upgrade experiences on the internet with proper equipment. However usually the upgrade concerned CPUs sold by Apple for that model with different configurations, for example from Intel Core i7 6-core 2.6GHz to Intel Core i9 8-core 2.4GHz, probably taken from motherboards of another 2019 16” MacBook Pr

It's not clear to me however if there was the possibility to use any CPU regardless of whether Apple sold them on those machines. So, taking a 12th or 13th generation intel CPU for laptops, would it work on a 2019 16” MacBook Pro, even if this hardware was not included in the original configurations? Would it need some drivers to work? It would work with the rest of the hardware on the machine, e.g. 32GB DDR4 2666MHz RAM

To give you context to my question: I would need a CPU with at least 10 cores (better if 12 cores), preferably Intel because the new silicon arm are not good for me at the moment due to software incompatibility, but there is not a similar setup from Apple.

Thank you

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The issue is the PCH and pinout here -- the PCH used on the 2019 MBP "spaceheater edition" is deigned around the CPUs it was built with when it was new. In addition, the CPU pinout has to be the same otherwise it kills the CPU, board or both. You'd need to verify the pinout, swap the PCH (pinout issue still applies, it has to be identical to the old PCH) and modify the firmware in order to use the new PCH and CPU.

As such, I usually recommend people sell these while the market is overpaying for them to get the most you will likely ever get if you’re able to abandon the machine. The era of people paying $8-900+ for a laptop without a full set of ports and thermal issues is coming to an end very soon because the same market now knows these were hot garbage more then ever and the writing is on the wall for Intel.

In addition to that, the "T2" Macs have firmware which is essentially tamperproof; the old ones could be done somewhat easily, but they use the T2 chip as a means to verify the firmware signature is correct. The functionality the T2 chips provide here is similar to Intel Boot Guard and HP Sure Start in that sense, and it's nearly the same as Sure Start in the sense they both have secret memory addresses that do the check in the pre-boot phase, which is not accessible in software.

The other issue with the firmware tweaking is even if you bypassed the firmware check, you still need a reference signature on the T2 chip side for it to boot so you'd need to update the Mac, have it get "bricked", dump the firmware to another Mac, change the code again and then reflash the EEPROM (and T2 as needed) to match the expected signature so it starts. In addition, "DFU mode" flashing will break it as it will assume the correct signature is the Apple signature and reload the Apple T2 signature and firmware/fail, so you'd need to re-default the T2 back to factory to ensure DFU flashing works... which will cause a boot issue until the EFI firmware is stock again, necessitating a CPU/PCH swap back to the factory spec for it to start. Do you see why this is no longer feasible now?

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Thank you very much

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You will have greater success just jumping to the top of the line logic board this series offered 2.4 GHz Core i9 (I9-9980HK) You’ll have a hard time finding a 32GB board though.

Even still I think you are still reaching as the i9 CPUs really needed much better cooling to be effective.

Apple blew it! They went with undersized cooling for these cooker chips! As they refused to bring back the cases thickness dimension after working so hard going way too far with the thin case as Intel didn’t fess-up on their 7nm node problems. Basically, boxing them selves in! Then letting the buyers down in the process too!

I would stay with the i7 as it’s better for video work or any other high processing job. The i9 works well with short high processing jobs, not sustained high processing jobs. Unless you want to carry a freezer chest to shove your system into to cool it.

Or, just make the jump to an M2 system. Why do you think your apps won’t run? Apples CPUs are not ARM chips, only the architecture is based on there work. Even still the Intel emulation engine is quite good, granted not as fast as native compiled code for the M Series.

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These machines were lemons. I usually recommend people sell them while people will overpay for bad design and get the M2 14/16" but strongly encourage them to try a 16" since it's not a lightweight like the 14". Pro or Max is negligible depending on if you need it, or want things like the 1TB SSD/32GB RAM without waiting for example (like I want 32GB/1TB so I'd go M2 Max to get it that way from the store). THERE IS A REASON YOU STILL SEE PEOPLE LIKE ME RUNNING AROUND WITH 2014/15 SYSTEMS. WE AVOIDED THESE DUE TO THE CPU COOLING FAIL AND USB-C DESIGN. We're waking up and the days of paying $900+ for these monstrosities is closing any day; anyone who passed might as well avoid it, and anyone dumping one needs to dump it ASAP!

The 16" fits well with the former 17" and 15" users (I loved the screen when I tried one with the M1, but I remember the weight of the 17" and run a 2014/15 15"), but the size tends to be a bit much for the ones who aren't familiar with how big and heavy they are. CPU swapping these is like if you put lipstick on a pig that gets too big to move on it's own. You might as well turn the pig into bacon (or in the case of the 2019 16", $800-900 or so to upgrade) and walk.

It took getting rid of Ive and Intel CPUs to get rid of these issues, and having someone who understands users who run the machines hard. The M1's were already insane so the M2 is just turning the dial a bit more. Apple Silicon can run things like the Affinity suite way faster than Intel ever did, even the V1 Affinity SW (but I suspect V2 will be better on the M2 Macs). That said, I own the entire V2 suite and got it for $100 during the launch sale and got $260 in free plugins later so it's a matter of sticking with V2 despite buying in at $100. Nowadays the V2 upgrade is $128+the $260 bundle for free for V1 owners, or $170 without extras (new purchases).

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@nick - As soon as I saw the thermals in the 2016 systems where encountering I had my misgivings. Intels failure should have had someone in Apple having a Plan-B in process for the 2018/19 models. Not building a workable system which was going to be used for image/video rendering work was a big mistake!

At least the i5 & i7 chips while still too hot could be managed by over-riding the fans and making sure to keep both the vents clear as well as the fans and heatsink clean so you didn’t loose there cooling efficiency.

Just like a knife one needs to use it properly! That also holds true here. I do agree the i9 shouldn’t have been sold and any one owning one likely bought it as a status symbol not a working pro with very few exceptions.

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@danj That’s why my recommendation is to sell now and move to the M series. These were flawed beyond repair.

I would argue most people can dump these and run, but I also know some genuinely can’t and will just have to take the hit when they get revalued appropriately.

I blame Jony Ive because right after he left the picture they undid all of the bad design elements.

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Thank you both for your feedback. I would too keep i7 instead of i9 on macbook pro 2019/2020 for a matter of heat dissipation. However the 8 cores of the i7 are quite a limit for me. I make intensive use of virtualization, especially Windows but also Linux, and dividing cores between the virtual machine and macos cuts my CPU performance in two. I would therefore need a sufficient number of cores (as well as Ram) that would allow me to use both environments fluidly and without excessive slowdowns. For example, it appears that a simple app like Microsoft Excel, unlinke on macos, on windows can parallelize spreadsheet calculations on multiple cores, so for example 4 core are not enough for files with multiple and large sheets. I also thought about switching to M-silicon chips, however I'm not sure windows x86-64 app can work on windows arm side, because on the developer site there is no information about it. So it's pretty difficult for me take a decision

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@haroldralde Right, but at least you see the rationale to dump these laptops if you can do so while people are paying top dollar. Eventually, there will be more of these vs demand as people realize these were total crap.

I have two apps of concern: Affinity Photo and Designer V1, but in the sense they aren't fully M2 optimized (meh, I got the full V2 suite for $100). In order to avoid issues I will have to adjust my workflow for V2, and keep V1 for legacy stuff and install V2 on anything M-Series, or install both and consider V1 a maintenance installation.

As far as Photoshop Elements (I only have this because some things use PS as a plugin link and I refuse to touch CC -_-, even if I could buy a copy of CS6 used I'd never be able to use it because of the 32-bit installers which Adobe refuses to update to force CC on the masses, and unfortunately did get their way) Adobe is an absolute dumpster fire about supporting non-SaaS products and bins critical things like CMYK and LAB/16 support to the CC cash cow. I also expect them to purposefully cut support early if it isn't SaaS to keep you buying, so I don't even try with Adobe. When it breaks, it breaks; especially things like Apple Silicon.

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