Im having this issue too, I have disabled vsync in nvidia-settings and in ccsm, and I have disabled "allow flipping" in nvidia-settings. That did wonders, my desktop (Unity) is actually snappy now. It also seems to have fixed this bug: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/760267
Im having this issue too, I have disabled vsync in nvidia-settings and in ccsm, and I have disabled "allow flipping" in nvidia-settings. That did wonders, my desktop (Unity) is actually snappy now. It also seems to have fixed this bug: https:/ /bugs.launchpad .net/ubuntu/ +source/ unity/+ bug/760267