On this point, the M2 MacBook Pro is slower than its predecessor

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The M2 MacBook Pro that recently went on sale is a notable model in the lineup. The design dates from 2016 and the model has not been improved, except for the chip, compared to the predecessor with M1 chip from 2020. Now tests by several YouTubers show that there is still a difference between the entry-level model from 2022 and the predecessor from 2020, but in a negative sense. The M2 MacBook Pro with 256GB storage appears to have a much slower SSD.

SSD M2 MacBook Pro slower

The first users of this new model have performed tests with the Blackmagic Disk Speed ​​Test app. Among other things, this tests the read and write speed of SSD storage. In the entry-level model with 256GB storage, the M2 MacBook Pro appears to score a lot worse than the comparable M1 version from 2020. The scores are as follows:

  • Reading speed: 2900 MB/s (M1) vs 1446 MB/s (M2), 50% slower
  • Write speed: 2215MB/s (M1) vs 1463 MB/s (M2), 34% slower

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The slower results only show up on the model with 256GB storage and not with the more expensive 512GB version. The speeds of the more expensive variant correspond to the comparable M1 version of 2020. As a user you will notice that apps take a little longer to open and that making changes to and opening files also takes a little longer, in proportion. up to the M1 version. But what exactly is the reason for this?

After opening the MacBook, it becomes clear what has changed. Apple has changed the configuration of the 256GB SSD. Where the M1 version still consisted of two NAND chips of 128GB each, the M2 version has one NAND chip of 256GB. As a result, the read and write speed of the M2 version is much lower. It is not known why Apple has changed the SSD layout. Possible reasons for this are cost savings.

We don't know yet whether Apple will choose the same SSD setup as the M2 MacBook Pro with 256GB in the upcoming M2 MacBook Air. It is quite possible that Apple uses these parts in both models, so that the MacBook Air can also get a slightly slower SSD than its predecessor. The M1 MacBook Air with 256GB storage had an SSD read speed of about 2675 MB/s and a write speed of 2190 MB/s.

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