Concept dupe - ex-mutants/depowered mutants

Is there any difference between these two pages?

http://www.comicvine.com/ex-mutants/45369/

• http://www.comicvine.com/depowered-mutants/45572/

And should this really be a concept as opposed to something written up on the House of M story arc page?

It's the same. May be a bit obsolete since most that matters already has been repowered.

There's also this page http://www.comicvine.com/m-day/41003// which was made long before any of those.

fesak says:

"There's also this page http://www.comicvine.com/m-day/41003// which was made long before any of those. "

It's also a more detailed account of what happened. The primary focus is not to describe the mutants that were depowered, but the means for being depowered (m-day itself).