It was exactly 6 months ago to the minute that AMD officially took the wraps off its Tahiti GPU and the original Radeon HD 7970. The Radeon HD 7970 was the first graphics card to feature AMD’s “Graphics Core Next”, or GCN, architecture and when it hit the scene, the Radeon HD 7970 proved to be the fastest single-GPU based graphics card available.
Since that time though, NVIDIA went ahead and released their Kepler-based GK104 GPU and the GeForce GTX 600 series of graphics cards. Although GK104 was comprised of fewer transistors and used less power, it ended up outpacing the Radeon HD 7970 more often than not, and propelled NVIDIA back into a leadership position at the high-end of the graphics card market.
As you can imagine, that didn’t sit well with AMD. So, for Tahiti’s half-birthday, they went ahead and refreshed the Radeon HD 7970, by tweaking a few key aspects of the card and adding some new features. The end result is the Radeon HD 7970 GHz Edition...
AMD Radeon HD 7970 GHz Edition Review