Kubuntu is *slow* on the MacBook Pro aluminum (5,1)

[Nikos.Alexandris]

I installed Kubuntu over Ubuntu

sudo apt-get install kubuntu-desktop

While it seems to launch normal (and with very smooth transitions while logging-in), the system is not usable. It's just to slow.

What is the reason? The plasma-desktop?

Thank you, Nikos

[milkwood]

From my experince,I think Kubuntu is just like that.
I'd decided I would use only Ubuntu for its stability.
Using Kubuntu or Xubuntu gave me some kinds of freshnesses.
But it's a bit buggy.
If you afford to get some experiences,I think It'll be worth to advent.