One key difference between bentham’s and mill’s respective versions of utilitarianism is that …

Below are the differences between Bentham’s and Mill’s respective versions of utilitarianism:

1. The qualitative distinction

Bentham pots concede to any distinction in propensities yet Mill arranged human inclinations and by ethical news of subjective contrast called some honorable and another base. Along these lines, it is said that scholarly propensities are far better than physiological inclinations. 

2. Qualitative distinction in pleasures:

Similarly, Mill made subjective refinements in various joys. As indicated by Bentham, all delights are comparable. In the event that the amount of joy is the same, at that point, there is no distinction amongst verse and pushpin. As opposed to this, as indicated by Mill, 'It is ideal to be a person disappointed than a pig fulfilled, better to be a Socrates disappointed than a trick fulfilled. 

the answer is richard nixion