Compare and contrast these 2philosophers Plato and Rene Descartes and which of these 2philosophers makes better sense

This is a seminar paper on comparing and contrasting between these 2philosophers Plato and Rene Descartes and which 1 of them makes better sense. please site all references.
Thanks

This is the text book we are using in class( Classics of Philosophy 3 rd edition by Louis P.. Pojman/ Lewis Vaughn).