The X Render engine in QGears2 experienced a tremendous boost with the new Ubuntu Intel graphics packages.
In QGears2, which is another synthetic test and not widely liked among graphics developers, the gears scenario with an OpenGL back-end had experienced a performance downfall with the newer Intel driver.
The image scaling performance with OpenGL in QGears2 had also dropped.
Besides some of the synthetic graphics test results being lower in Ubuntu 9.10 Alpha 4, the rest of the Linux desktop benchmarking spectrum experienced the same or better results. With the switch to EXT4 and some other improvements, in a few tests it shows Ubuntu 9.10 really shining.