Earlier quoted context omitted.
I don’t doubt they are faster than other laptop SSDs, but those results look quite suspicious.
They are not 'suspicious' they really are that fast compared to the standard cheap SSDs. It's the difference between cheap SATA SSDs and expensive NVMe PCIe SSDs. Search for comps on any online retailer and you'll see how expensive and fast those are.
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...