I have a gaming pc (windows 10) with: GPU: 4 gb (nvidia GTX) CPU: 8 cpu's , 16 gb of ram (Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz)
To try to make ubuntu faster i've changed the settings of vbox so this are my current:
What can i do to make it run smooth since i have a computer good enough for that?
As I said in comments, I guess that the slow behaviour is related with graphics, not I/O or CPU related.
Try to enable 2D and 3D acceleration as both Windows 10 as VirtualBox host and Ubuntu 18.04 as guest work without issues with Nvidia GPUs.
Both options are shown at the bottom of your "Photo 4" menu.
And remember to install the 'guest additions' in the guest OS (Ubuntu) to make those changes working with:
