Optimal: piecemeal. As in: X sockets on a board, each socket takes a chip that adds CPU core(s), GPU cores, and some amount of main RAM. More chips, more powerful computer.
Keyword: socket. Read: replaceable. Bad chip out, good chip in. Slow chip out, faster chip in. Soldered onto board = reliable, but a defect could junk the whole machine.
Haven't Apple (A-series, M-series) and others been copackaging memory for a while? (SiP or MCM?)
Can't you select and copy the text in the photo (on most smartphones and PCs at least)?