Intel HD Graphics 4000 is an integrated graphics processor that was released in 2012 as part of the Intel 3rd generation Core processors, also known as Ivy Bridge. It provides basic graphics performance suitable for everyday tasks such as web browsing, video playback, and light gaming. The HD Graphics 4000 supports DirectX 11 and offers features like hardware acceleration for video decoding. While it is not designed for high-end gaming or demanding graphics applications, it is efficient for casual users and can handle older games at lower settings.