Apple released the 7th generation of iPad mini, which was introduced with an A17 Pro chipset, also seen on the iPhone 15 Pro and iPhone 15 Pro Max. However, the official website states something different – the tablet has only a 5-core GPU, which seems like a downgraded version of the A17 Pro.
Chipsets like these are often called binned because they do not pass the same quality control process during manufacturing. It is highly possible that the version with a 6-core CPU and 5-core GPU was not powerful enough for the iPhones, but there was a big enough batch to equip the new…
https://www.gsmarena.com/new_ipad_mini_comes_with_downgraded_a17_pro_chipset-news-64962.php