This is a screenshot from a review by the Japanese YouTube channel Appleが大好きなんだよ.
The 2020 model's 512GB ssd reads 1207 MB/s and writes 1275 MB/s.
The 2018 model's 512GB ssd reads 1937 MB/s and writes 1739 MB/s.
The 2020 model's 512GB ssd reads 1207 MB/s and writes 1275 MB/s.
The 2018 model's 512GB ssd reads 1937 MB/s and writes 1739 MB/s.