The sole variance is that the expanded one particular just so happens to be the NDTM "in action" for a specified stage of depth. In reality, computers are basically deterministic TMs with finite tapes. However, a non-deterministic TM can not be physically realized, except maybe with a quantum computer. https://financefeeds.com/best-meme-coins-to-buy-today-100x-incoming-after-trump-inauguration/