Originally Posted by marchetto
I've got no NVRM Xid errors in my dmesg.
Xorg process ever takes 20% of my system... it's really strange and I think that's a too high percentage for this capable CPU
Many times Xorg cpu utilization doesn't represent the real xorg processes but another program that uses xorg. Try to check what other programs are running - background processes of kde for example - and kill them.