UFS 4.0 isn't quite as groundbreaking as you'd think ( www.androidpolice.com )
Do you agree? There are also phones (motorola edge 50 pro) running UFS 2.2 that equal if not surpass phones running UFS 3.1 in file transfers and random read/write tests.
I think the impact is small due to encryption, the processor used and the file system optimisation that the OEM does. I remember the Nexus 6 where Full Disk Encryption was a controversial topic because it slowed down the Nexus considerably.
Here's a short video from a youtuber who does a basic test for the Edge 50 pro: https://youtube.com/shorts/EunkoOKhpuk?si=xJBwmltFLNuslyOs
And another from a different youtuber: https://youtu.be/HjVBuZfw3VQ?si=5VxbRYM3pjnQoDd-&t=52
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