Zbrush runs lower to 15% power treads in Threadripper

[pablonchowokrs]

CPU ryzen 1290x 12cores
Hello.
The z run really fine. But my times in zremesh for example is lower to 20% with respect to windows times.
How do I solve it?
Apparently the cores are charging 15% of their potential!
Thanks

My sistem is ryzen 1920x nvidia 1060 and 32gb ram, run ubuntu 18.04.2