Can I upgrade the logic board on my Early 2015 MBP Retina?

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MacBook Pro 13インチ Retina Display Early 2015

2015年3月にアップデートされたAppleのMacBook Pro 13" Retina Display Early 2015 はモデル番号はA1502、第５世代のIntel Core i5と i7プロセッサーが特長でForce Touchトラックパッドを備えています。

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john Scrivener @scrivs

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投稿日: 2018年1月20日

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Can I upgrade the logic board on my Early 2015 MBP Retina?

My Early 2015 MBP (A1502) which I could only afford the 2.7Ghz/8GB/128GB is getting a bit long in the tooth so to speak. I impulsively ordered a used 3.1Ghz/16GB (820-4924-A) which the listing said is compatible with all A1502 MBPs (Early 2015). I'm confident it should be a one-for-one swap, but aside from the hardware swap, is there anything I need to do software wise? I have strong tech skills when it comes to hardware but am a luddite when it comes to the software side of things. One more thing to note (if relevant), I replaced the stock 128GB SSD with a 512GB oem unit which is working great. Thank you in advance guys, this is such a rad forum and resource!

Also, how much of a performance upgrade should I be reasonably expecting?

@dark_ritual - It works great! Good luck!

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Your systems specs: MacBook Pro 13" 2.7 GHz i5 (Early 2015)

The logic board you got specs: MacBook Pro 13" 3.1 GHz i7 (Early 2015)

Dan さんによる2018年1月20日

I am looking at doing this exact thing. Same MacBook Pro, same specs, same upgrade. And I wanted to get some advice. How did this go? Did it work out? Anything to look out for? I’m looking at embarking on this swap by next week.

Any info would be an awesome help.

Thanks John @scrivs

Alfonso Vega さんによる2018年7月7日

Hi! how is it working? did it work with no problems?

I have the same model A1502, Macbook pro retina early 2015, 2.9Ghz, 8Gb Ram and 512GB…. I was planning on upgrade to a new 2018 macbook pro but is really expensive and honestly.. I don’t trust the new keyboard and certainly will miss the ports….

So I know that the only thing I need for now is to upgrade my RAM to 16Gb… and I know that the only option is to change the logic board…

Was it only plug and play? In my case I’ll be using the same original 512Gb SSD…

Thank you!

Alejandro さんによる2019年3月1日

I would like also to know if the upgrade works before buying.

thank you!

doublewardrummer さんによる2019年3月17日

It works great! It’s really a pretty simple process, no messing with the software, which was my only concern. I’d call it a plug and play evolution. Good luck, post up here if you need any help!

john Scrivener さんによる2019年3月20日

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Dimitrios @jimfalt2000

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Hello,

Once you have 'enough' memory for all your applications to run, having more memory won't increase performance any further. And in this case, what that means is that for regular desktop work, you'll be hard pressed to find any tangible performance difference between 8GB and 16GB of system memory.

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Your systems specs: MacBook Pro 13" 2.7 GHz i5 (Early 2015)

The logic board you got specs: MacBook Pro 13" 3.1 GHz i7 (Early 2015) — Dan
I am looking at doing this exact thing. Same MacBook Pro, same specs, same upgrade. And I wanted to get some advice. How did this go? Did it work out? Anything to look out for? I’m looking at embarking on this swap by next week.

Any info would be an awesome help.

Thanks John @scrivs — Alfonso Vega
Hi! how is it working? did it work with no problems?

I have the same model A1502, Macbook pro retina early 2015, 2.9Ghz, 8Gb Ram and 512GB…. I was planning on upgrade to a new 2018 macbook pro but is really expensive and honestly.. I don’t trust the new keyboard and certainly will miss the ports….

So I know that the only thing I need for now is to upgrade my RAM to 16Gb… and I know that the only option is to change the logic board…

Was it only plug and play? In my case I’ll be using the same original 512Gb SSD…

Thank you! — Alejandro
I would like also to know if the upgrade works before buying.

thank you! — doublewardrummer
It works great! It’s really a pretty simple process, no messing with the software, which was my only concern. I’d call it a plug and play evolution. Good luck, post up here if you need any help! — john Scrivener

Dan @danj 評価: 479.9千 Self employed contract worker 35 329 971 · Answer 1 · 2018-01-20T09:05:25-07:00

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Dan @danj

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If you review the two links above you'll see the performance diffierences (Geekbench). The good news here is you've upgraded from an i5 to an i7 CPU which will give you more threads (2 cores - 4 threads) over your older CPU (2 cores - 2 threads) So apps which are multi-threaded will run much better!

The clocking frequency between the two is very little 2.7 Vs 3.1 so a single threaded app won't run that much faster. But! These CPU's do offer Turbo Boost 2.0 so they can ramp up the clock frequency 3.4 Vs 3.1 GHz of one of the cores which helps!

As for the SSD change out a larger SSD does improve things from the die level of the SSD and the ability of the processor to leverage deeper storage. The trick is to make sure you have at least 1/4 of the space as empty (128 GB) for a 512 GB SSD and for a 128 GB SSD we need around 1/3 (40 GB).

RAM gets tricky! Basic word processing won't stress 8 GB of RAM, but deeper apps like photo editing can leverage the deeper RAM as well as video and gaming.

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Dan, thank you for taking the time for explaining a few questions that I was unsure of. One last one, do I do a system restore after installation as if I was just doing a clean install of the OS? Thanks again for the help!

john Scrivener さんによる2018年1月21日

The logic board swap in its self does not need any alteration to the OS. As you also talk about swapping out the SSD I would do a fresh OS install and then do a restore from TimeMachine.

Dan さんによる2018年1月21日

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