For mobile phone processors, the 28-nanometer chip is equivalent to the top processor level around 2013, such as the A7 processor installed on the Apple 5S, and by 2018, it is basically used by thousand yuan domestic machines, such as the Red rice 4A equipped with Qualcomm Snapdragon 425 processor, vivo Y71 and so on.
The international major chip contract manufacturer TSMC, currently able to achieve the production level of large-scale production of 5 nm and 7 nm process chips, and the upcoming Huawei mate40 mobile phone, also uses 5 nm chips.
A 28nm processor is the equivalent of a cpu in the early days of smartphones
The equivalent of a horizontal desktop computer CPU in 2012.