Hello,
I've tried using a 32bit Windows Vista guest on both VirtualBox and
KVM, hosted on 64bit Ubuntu 12.04 (DualCore AMD Athlon X2, 8G RAM,
Radeon graphics).
After installing VBox guest additions on the Windows guest,
performance, especially graphics (desktop) performance, is quite good.
While there is some flicker when moving windows around on the desktop,
the moved windows actually keeps moving fluently.
OTOH, with KVM, the whole desktop experience is rather poor. Windows
more or less jump while being moved and the whole system feels really
slow. I've tried with all the different graphics adapter settings (and
also installed VMWare graphics drivers), but nothing comes close to
VirtualBox' performance.
In both cases, screen resolution was set to 1280x960, with highest
possible color depth. Connection to VirtualBox was done via RDP, while
VNC was used for KVM (using krdc from KDE on both cases).
I'd really like to use KVM instead of VirtualBox, so is there anything
I can do to get better graphics performance?
Thanks a lot.
Bye...
Dirk
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