Hey @Hadros232232 !
はともかくandは別として are basically the same expressions, but は別として has the nuance that the phrase or the word that comes before ‘is not a concern’ to the phrase that comes after it.
For example:
実験の結果の良し悪しはともかく結果を見たい。
Setting aside whether the results of the experiment are good or bad, I want to see them.
This sentence has the nuance of ‘Lets not think about whether the results of the experiment are good or bad, I want to see them’
実験の結果の良し悪しは別として結果を見たい。
Setting aside whether the results of the experiment are good or bad, I want to see them.
This has a similar nuance to the sentence above, but has a stronger nuance that the results of the experiment is not important to them at the moment. ‘Whether the results of the experiment is good or bad does not matter right now, I just want to see the results.’
We hope that this answers your question!