Apple’s 13-inch 256GB MacBook Professional M2 could have worse SSD efficiency than the equal M1 mannequin, in response to testing by YouTube websites Max Tech and Created Tech seen by MacRumors. The $1,300 base mannequin confirmed round 50 p.c slower learn speeds (1,446 MB/s in comparison with 2,900 MB/s) with write speeds 30 p.c decrease.
Max Tech opened up the 13-inch MacBook Professional M2 and located that it solely had a single 256GB NAND flash storage chip as an alternative of two 128GB chips just like the earlier M1 mannequin. That might imply the drive can solely use two lanes in parallel, so efficiency is restricted to the velocity of a single lane.
The upper-end 512GB and 1TB fashions do not seem to undergo from the difficulty, and lots of evaluate items (like our personal) shipped in a 1TB configuration. The slower disk speeds on the 256GB mannequin may have an effect on app loading instances, file transfers and knowledge fetching. Total efficiency may additionally take successful because the digital reminiscence (used when RAM is full) shall be slower, and the bottom mannequin solely has 8GB of RAM.
It is not clear why Apple modified the configuration on this mannequin, although the worldwide chip scarcity could also be an element. In any case, it is one thing to think about for those who’re wanting to buy the 13-inch MacBook Professional M2.
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