"How would you decide when to use an FPGA and when to create an ASIC? That depends. FPGAs waste a large amount of silicon compared with an ASIC, so the cost floor, which depends in large part of the surface area of silicon required for the chip, is often an order of magnitude higher than you’d want it to be. But fabricating an ASIC isn’t cheap either."

[1] https://spectrum.ieee.org/tech-talk/computing/hardware/lowbu...