Struggling Performance with Dolphin 4.0.x

[LordVador]

(02-06-2014, 01:55 AM)Individ Wrote: Gameplay suffers from severe audio stuttering, lag and frame rates hovering around 30-35.

Dolphin 4.0 is a bit more demanding than Dolphin 3.5 . This may explain your drop of performance.
Dolphin 4.0 has new AX-HLE. This is the source of your stutterings. New AX-HLE won't work properly is you can't run games full-speed. Most games won't run full-speed with your CPU