In general there are infinite number of packets integrated with codec’s and tools to reproduce videos. The difference is in the quantity of extra features which it has. There are applications which can be very disturbing and which can generate conflicts at software level too.
In contrast, X Codec Pack is an excellent codec pack and controller found in the list of most famous and effective packs on the net, due to which it is compatible with majority of videos found on the internet.
Most striking feature of X Codec Pack, is its ease dearth of tools which are generally not used.
Finally, X Codec Pack is a pack of utilities which makes a computer complete with respect to video reproduction.