Remember UFS cards? They promised much higher performance than microSD, but never caught on - even Samsung, which helped introduce the new standard and designed a hybrid slot, doesn't have any phones that support them any more. But there was hardware at IFA that showed the massive speed advantage of UFS. The Hisense T91 is a prototype phone based on the Snapdragon 845 chipset. Inside it was a 1TB UFS card, which was put through its paces by AndroBench 5. For comparison, a similar handset was used with a microSD card (rated at 80MB/s sequential reads and 30MB/s writes). AndroBench 5:...
Source: https://www.gsmarena.com/hisense_t91_prototype_shows_ufs_cards_run_circles_around_microsd_cards-news-39121.php