http://bugs.winehq.org/show_bug.cgi?id=27453
--- Comment #8 from congelli501 congelli501@gmail.com 2011-08-14 06:09:30 CDT --- (In reply to comment #7)
Disabling sound entirely doesn't fix the stuttering, so I see no reason to believe this is sound related.
How did you diabled the sound ? There are great chances that even with no sound (volume off / mute) the sounds are loaded into memory and even played by the computer.