Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
As you can very clearly see, Konqueror with KHTML is more than eight times slower that that with Webkit. Surprisingly Konqueror with WebKit is also faster than Firefox 4.0 Beta 2. The difference does not seem much in the graph above but it is around 400ms which is quite a significant difference if you consider that Konqueror (WebKit) has a total time of around 1000ms.