3.5.12 vs 3.5.13 performance?

Hello I have installed on a Thinkpad X200 (4 Giga RAM) Kubuntu 10.04+ I think trinity 3.5.12 (sudo dpkg -l | grep kde3) gives things like "adept-manager-kde3 4:3.5.12-0ubuntu6+r1124765 package manager for KDE3" Now I have recently installed Lucid+trinity 3.5.13 on a much older Thinkpad with just 1.5 Giga RAM. I have the impression that the second installation is much faster, for example the Control panel which I have at the botton of my screen needs ages to disappear in the first installation but only miliseconds in the second. Can anybody confirm this (so is a upgrade recommended?) thanks Uwe Brauer