Okay, I just picked a random texture in my runtime and loaded 240.  The difference...  very discreet.  If I wasn't paying attention and comparing them I wouldn't have noticed it.

So for practical purposes once you get it into a more complete shader, not much of a difference between the two.

WARK!

Thus Spoketh Winterclaw: a blog about a Winterclaw who speaks from time to time.

 

(using Poser Pro 2014 SR3, on 64 bit Win 7, poser units are inches.)