Hearthstone: Curse of Naxxramas packshot image
Hearthstone: Curse of Naxxramas is a single-player expansion for Hearthstone. Split into five distinct 'wings' available to buy seperately, Curse of Naxxramas is a single-player adventure that comprises a number of tough bosses. Players who complete each wing in Curse of Naxxramas will unlock special cards that can be added to your pack, as well as unlocking a special Heroic mode that will challenge all but the most adept Hearthstone players.
Hearthstone: Curse of Naxxramas GPU Performance Comparison Graph

Hearthstone: Curse of Naxxramas GPU Analysis
Comparing Hearthstone: Curse of Naxxramas PC system requirements to all GPUs shows that Hearthstone: Curse of Naxxramas is going to need a graphics card that is capable of DX 9 or OpenGL 2.1.

To get the best visual graphical experience on Hearthstone: Curse of Naxxramas, 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 Hearthstone: Curse of Naxxramas

We are advised that 13 year old graphics cards should be able to run Hearthstone: Curse of Naxxramas , 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 Hearthstone: Curse of Naxxramas graphics card requirements chart below.