XCOM: Enemy Unknown packshot image
Firaxis Games is developing XCOM: Enemy Unknown, an action strategy game releasing this fall. Long-time X-COM fans will instantly recognize XCOM: Enemy Unknown's gameplay, which has both deep strategic elements and turn-based tactical combat. You are put in control of a secret paramilitary organization known as XCOM, and as commander, defend against a terrifying global invasion of aliens. Success hinges on resource management, technology advancements, and perhaps most importantly securing victories with superior combat tactics.
XCOM: Enemy Unknown GPU Performance Comparison Graph

XCOM: Enemy Unknown GPU Analysis
Comparing XCOM: Enemy Unknown PC system requirements to all GPUs shows that XCOM: Enemy Unknown is going to need a graphics card that is capable of DX 9.

To get the best visual graphical experience on XCOM: Enemy Unknown, aim to have a GPU that has at least 512 MB GPU RAM.

Most bottom end graphics cards currently available today, will probably allow you to play XCOM: Enemy Unknown

We are advised that -50 year old graphics cards should be able to run XCOM: Enemy Unknown , 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 XCOM: Enemy Unknown graphics card requirements chart below.