From Longman Dictionary of Contemporary Englishamount/come to the same thingamount/come to the same thingSAMEto have the same result or effect It doesn’t matter whether she was happy to leave or not. It amounts to the same thing – she’s gone. → same
Examples from the Corpus
amount/come to the same thing• And even if it is not significant, it has the potential to be so-which amounts to the same thing.• At once she thought: I could have taken two thousand, three - it would come to the same thing.• Or rather, politics and morality come to the same thing.• Or they act as if they do, which comes to the same thing.• Since it formed a halo over the puck, did that amount to the same thing?• The public purse would not get anything; after all, it all comes to the same thing.• When electrical currents flow they produce magnetic fields and so it is possible that these two therapies amount to the same thing.• And literature will amount to the same thing: all writers are copycats. 