The physical structure is completely different. Just compare DRAM ([0]) with compute ([1]). As a result, the production process is completely different. If you

The physical structure is completely different. Just compare DRAM ([0]) with compute ([1]). As a result, the production process is completely different. If you want to know more, the Asianometry youtube channel has some fairly good deep dives, such as [2] going through a decent bunch of the 45nm production process, or [3] doing the same for (early) DRAM. [0]: https://www.youtube.com/watch?v=Bln-v9LmZ3E https://www.youtube.com/watch?v=Bln-v9LmZ3E [1]: https://i1.wp.com/semiengineering.com/wp-content/uploads/2018/02/nextgenfig5.png?ssl=1 https://i1.wp.com/semiengineering.com/wp-content/uploads/201... [2]: https://www.youtube.com/watch?v=zUgy29h0alM https://www.youtube.com/watch?v=zUgy29h0alM [3]: https://www.youtube.com/watch?v=uPualBNf1nM https://www.youtube.com/watch?v=uPualBNf1nM