Arma II: Operation Arrowhead GPU Analysis
Comparing Arma II: Operation Arrowhead PC system requirements to all GPUs shows that Arma II: Operation Arrowhead is going to need a graphics card that is capable of OpenGL 2.1.

To get the best visual graphical experience on Arma II: Operation Arrowhead, 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 Arma II: Operation Arrowhead

We are advised that 15 year old graphics cards should be able to run Arma II: Operation Arrowhead, 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 Arma II: Operation Arrowhead graphics card requirements chart below.