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by jpalomaki 2585 days ago
Looks like the test is done by just copying a large file and measuring the time it took. This, of course, gives some idea of performance, but they are quite many things that can affect the results.

On the original article[1] the table also shows results from a synthetic benchmark. This shows 2.6GB/s for Macbook and 1.2GB/s for Dell XPS. They also mention that it's a bit apple vs oranges, since different tools were used for the benchmark.

[1] https://www.laptopmag.com/articles/2018-macbook-pro-benchmar...