Imo Pankaj Kapoor is Better..
Pankaj kapoor is More versatile.Lets Go with Gener wise
Intense Role:- Both have diffrent approch But I liked Intensity of Kapoor sahab Better.We saw both of them in Makbool although requirement for both roles were diffrent but Still......
Comedy:- Nasir sahab is no where close to Pankaj kapoor I mean he did some comic Roles but Just Compare with Chameli ki Shadi.I don't think Nasir sahab could have played that Role.
Drama:- In That segment both are never or less Equal.If Nasir sahab has Ardhyasatya Then Pankaj kapoor has Ek Ruka hua Faisla..
Peronality:-Well Nasir sahab has undoubtedly upper hand here.
Never or less Both Are Legend But IMO Pankaj kapoor is better.
See Choices and Opinion may vary person by person But Noone can denie that it's difficult to comapare 2 legend Its Like Comparing Water or Food Which is more Useful..