Does Ubuntu 20.04 Lts(Gnome) slow down?

Question

ubuntu

Hello everyone. I put Ubuntu on my PC, I sit and rejoice. So I use it for half an hour and just takes and freezes the desktop (and this is every time I go in and after half an hour it hangs). The mouse moves, but everything else does not (icons, programs and so on
)
. 128gb
HDD-500GB
Xeon e5-2689(2012)
16gb Ddr3 1600ghz
Nvidea 8500 gt
Machinist x79(mother)
)

Answer 1

Try installing mint cinnamon 19.3, ubuntu has a very heavy and buggy shell

Answer 2

Show the output of the commands
to load RAM

ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%mem | head -20

CPU load
ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%cpu | head
or a screenshot of the program gnome-system-monitor- the Resources tab.
You can also install the bashtop program
sudo snap install bashtop

Answer 3

change video drivers. if it's free - change it to a proprietary one, if it's already there - try other versions, ubunta used to offer 3-4 to choose from ..