Here are my test results, though they are slightly skewed by the improvement in the intel driver between natty and oneiric...
OS WM glxspheres glxgears ------- ----------------- ---------- -------- natty Unity-3D 30 60 oneiric Unity-3D 45 54 Compiz (no unity) 60 60 Gnome Shell 3.2 60 56 Unity-2D 60 60
Here are my test results, though they are slightly skewed by the improvement in the intel driver between natty and oneiric...
OS WM glxspheres glxgears
------- ----------------- ---------- --------
natty Unity-3D 30 60
oneiric Unity-3D 45 54
Compiz (no unity) 60 60
Gnome Shell 3.2 60 56
Unity-2D 60 60