AMD Radeon HD 7950 3 GB @ techPowerUp
 

Today AMD released their new Radeon HD 7950, the second card to be based on AMD's GCN shader architecture. Compared to its bigger brother, the HD 7970, the card comes with less shaders and reduced clock speeds. Other features have remained the same, like 3 GB memory, improved power consumption and support for EyeFinity.

http://www.techpowerup.com/reviews/AMD/HD_7950/