Digital BW, The Print

Indeed they are, the only difference being the film base where the
Porta had a different color cast to made it easier to machine process
( printing ).

However, if you value a more neutral ( closer to true B&W film ) and
traditional look, Try the Ilford XP-2 super, and my one advice for the
ilford is shoot at 200 or lower instead of the 400 specified.