The files from 7-Zip have the file extension * .7z is newer and offers a better or higher compression ratio, but is not supported as often as the Zip, the compression and decompression of 7 Zipp is not always more computationally intensive, it depends on the Settings.
There are various compression algorithms and archive formats.
7-zip is generally better if you want the data to be as small as possible, but most users don't have the 7-7ip and it can be more difficult if you want to send it to someone, for example in Microsoft Windows 10, 8.1 , ... and MS Server OS integrates the zip format and can be treated as a zip folder . The 7-Zip can read and write the 7-Zip format, usually always has the file extension * .7z, but it can also open and edit the Zip format.
Sometimes you just have to prepare a USB drive for Mac OS between Windows 11, 10, etc. to exchange data for pictures, documents, A file system determines