Tropico 4: The Academy GPU Analysis
Comparing Tropico 4: The Academy PC system requirements to all GPUs shows that Tropico 4: The Academy is going to need a graphics card that is capable of OpenGL 2.1.

To get the best visual graphical experience on Tropico 4: The Academy, aim to have a GPU that has at least 512MB GPU RAM.

Most bottom end graphics cards currently available today, will probably allow you to play Tropico 4: The Academy

We are advised that 14 year old graphics cards should be able to run Tropico 4: The Academy, but there could be a few exceptions to this rule.

Note that most games do not officially support laptop graphics cards, but nowadays many laptop graphics solutions are capable of running modern games. Whether desktop graphics cards or laptop, try searching for your graphics card to compare against the Tropico 4: The Academy graphics card requirements chart below.