The benchmarks confirm that the new MacBook Air SSD is approximately twice as fast as the previous model with 2190 MB/s writes and 2675 MB/s reads. Apple did announce this performance boost when launching the new machine, and attributed the improved speed to the M1’s storage controller as well as new flash technology:
The M1 chip’s storage controller and latest flash technology deliver up to 2x faster SSD performance, so previewing massive images or importing large files is faster than ever.
The 2019/2020 Intel MacBook Air was criticized for actually offering a slower SSD than the 2018 model. The 2019/2020 MacBook Air SSD speeds were 1319 MB/s reads and 1007 MB/s writes.
This article, “Apple Silicon M1 MacBook Air SSD Really Is Twice as Fast as Previous Model” first appeared on MacRumors.com
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