@rayt
Whether OxyPatcher will benefit your system depends on the sort of programs you run on it.
Programs involving intensive math operations (3D games, 3D rendering, etc) will improve significantly in speed. These benefits are independent of the SetPatch/SkipROMupdates settings used in OS3.9
A trivial overview of the effect of OxyPatcher can be found
HERECheers,
JaX