Many orders of magnitude so.
The last generations of vacuum tube processors were the size of large multi-story office buildings and had 50k tubes.
Compare to your smartphone, it would take billions of tubes to duplicate it.
The last generations of vacuum tube processors were the size of large multi-story office buildings and had 50k tubes.
Compare to your smartphone, it would take billions of tubes to duplicate it.
If the same R&D might went into thermionics, we might just have devices of similar scales.