Any graphics card does...
Originally Posted by Chogan
Anyway, use the proprietary driver if you want performance and OpenGL support of latest versions (3.3.0 or 4.3.0 depending on your hardware).
Or, use the open source driver which respects standards more, but is much slower and uses more electricity.
If you want better game performance you can try using Xfce instead of Unity, and disable the desktop effects.
tip: if you want to buy a computer sooner or later, buy a desktop. They are much faster and last longer (less risks of overheat).
sudo apt-get install xubuntu-desktop