Hardware emulation can only go so far. To get a seamless, "native-like" experience—especially for Linux desktops or Windows VMs—you need the spice-guest-tools .
The spice-guest-tools package is a bundle of drivers and agents that bridge the gap between your hypervisor (libvirt/KVM) and the guest operating system. While SPICE handles the protocol (display, mouse, audio), the guest tools handle the optimization . spice-guest tools
Unlocking the Potential of SPICE: Why You Need spice-guest-tools in Your VM Hardware emulation can only go so far
Have you tried SPICE versus RDP or VNC? Let us know your performance comparison in the comments below install the tools
Take five minutes, install the tools, and enjoy the true power of KVM/SPICE.