You're comparing apples and oranges here, the only things these shows have in common are that Kiefer Sutherland's in it and it's being shown on Fox.
I loved what I saw of 24, I was a late-comer to the show but it constantly kept me on edge. Not to mention Jack Bauer is probably one of the most iconic characters of the decade.
The premise of Touch was nice and I liked the pilot episode, it's just a shame that subsequent episodes have been a bit... samey, uninspired and boring. I honestly feel like all I'm watching is KS chasing after the boy. I stopped watching after four episodes.
So 24 wins for me.