Benchmark reveals that MacBook Pro with M2 has significantly lower SSD data transfer speed than MacBook Pro with M1
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Base 13-Inch MacBook Pro With M2 Chip Has Significantly Slower SSD Speeds - MacRumors
https://www.macrumors.com/2022/06/26/base-m2-13-inch-macbook-pro-slower-ssd-speeds/
M1 vs M2 MacBook Pro-ULTIMATE COMPARISON!-YouTube
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YouTube channels such as Max Tech and Created Tech use Blackmagic Disk Speed Test , a benchmark software for measuring the data transfer speed of storage such as hard disks and SSDs, to be installed in the base model of the 13-inch MacBook Pro with M2. We measure and compare the data transfer speed of the 256GB SSD that is used and the base model 256GB SSD of the 13-inch MacBook Pro equipped with the previous model M1.
Below is the result of Max Tech benchmarking the SSD of MacBook Pro (256 GB SSD) with M2 and MacBook Pro (256 GB SSD) with M1 using Blackmagic Disk Speed Test. The reading speed is 2900 MB / s for the M1-equipped MacBook Pro (512 GB SSD), while the M2-equipped MacBook Pro (256 GB SSD) is 1446 MB / s, which is about 50% slower.
The writing speed is 2215 MB / s for the MacBook Pro (512 GB SSD) with M1, while the MacBook Pro (256 GB SSD) with M2 is 1463 MB / s, which means that the speed has decreased by about 34%.
Below is the benchmark software result of SSD using Blackmagic Disk Speed Test by Created Tech. Here too, the writing speed of the M1-equipped MacBook Pro (256 GB SSD) is 2046.3 MB / s, and the reading speed is 2924.6 MB / s. The write speed of the M2-equipped MacBook Pro (256 GB SSD) is 1551.3 MB / s, and the read speed is 1479.1 MB / s.
The result of measuring the data transfer speed of SSD using another benchmark software '
On average, the SSD of the M2-equipped MacBook Pro (256 GB SSD) has a read speed of about 50% and a write speed of about 30% slower than the M1-equipped MacBook Pro (256 GB SSD). Become.
As a result of disassembling the M2-equipped MacBook Pro (256GB SSD), it has only one 256GB NAND flash storage chip, but in the case of the previous model M1-equipped MacBook Pro (256GB SSD) It seems that two 128GB NAND flash storage chips are installed. Apple-related media MacRumors wrote, ``It is possible that multiple NAND flash storage chips installed in parallel contributed to the speed increase.''
However, the data transfer speed of the SSD is slow only in the base model M2-equipped MacBook Pro (256 GB SSD), and the SSD of the M2-equipped MacBook Pro (512 GB SSD) has the same data transfer as the M1-equipped MacBook Pro. It seems that it is speed. MacRumors wrote, 'The data transfer speed of the M2-equipped MacBook Pro (512 GB SSD) is equivalent to the M1-equipped MacBook Pro, which may be because it has two 256 GB NAND flash storage chips.' increase.
It is unclear why the M2-equipped MacBook Pro (256GB SSD) has only one NAND flash storage chip, but MacRumors points out that cost and supply constraints may be factors. Slow data transfer speeds on SSDs can have an impact when doing common tasks like 'transfer files to an external drive' and can also lead to poor performance when using SSDs as virtual memory. MacRumors recommends that if you want to buy an M2-equipped MacBook Pro, choose 512GB or more of storage or wait for the M2-equipped MacBook Air, which is due in July.
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