AMD is announcing today the Radeon HD 7770 GHz Edition, a mainstream video card based on PCI Express 3.0 and DirectX 11.1. Let's see how it performs on our tests.

Here is a snippet: "The new Radeon HD 7770 GHz Edition, which is being released today, is a mainstream video card based on the latest graphics architecture from AMD, dubbed "Graphics Core Next" or simply "GCN," which supports the new PCI Express 3.0 connection and the latest DirectX version (11.1). "



Link: Hardwaresecrets