Alexandre composed on 2016-01-03 23:58 (UTC):
Plasma 5 has removed much of the KDE4 nonsense.
What "nonsense"?
Most of the framework has been reworked to be much better than the KDE4 equivalent. It is also more responsive, and starts faster.
What, on a 5 month old 8 core machine with 32G RAM?
TDE will really have to do something to stay in the race.
K5 is a slug on machines that TDE is happy on, one core, 1G RAM or 2 cores and 2-4G RAM.
And BTW, Breeze is the worst KDE theme in my recollection going back over a decade. The current default TDE theme is as close to perfect as I could hope for.