It's hard to quantify, but i'd say it's MUCH better than the logic rhodes. Sounds better, responds to touch better, just better all around. I have quite a few Rhodes libraries at this point and I'd say they're all quite a bit better than the logic one. My list, from best to "least best". I hate to say worst because theyre all pretty good. I have the first 3 on my list all loaded up in Gigperformer, as I like each one for different reasons.
Scarbee EX88
Canterbury Suitcase
AS V Tines
Scarbee Vintage Keys
Pianoteq Mk 1 and 2