AMD launced the Radeon HD 7970 graphics card. Billed as the world's fastest single GPU graphics card and the only GPU based on 28nm production technology, the new arrival pushes AMD ahead of NVIDIA in terms of miniaturization. The HD 7970 uses a new Graphics Core Next (GCN) architecture that AMD says results in a 150 percent performance/sq mm jump over the previous 40nm-based generation, is compatible with PCI Express 3.0 and features 3GB of GDDR5 memory and 925MHz engine clock. It also supports Direct3D 11.1 to be released with Windows 8.

Here the AMD Radeon HD 7970 System Requirements:

• PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
• 500W (or greater) power supply with one 150W 8-pin PCI Express power connector and one 75W 6-pin PCI Express power connector recommended.
• Certified power supplies are recommended.
• Minimum 1GB of system memory
• Installation software requires CD-ROM drive, a keyboard, a mouse, and a display
• DVD playback requires DVD drive and a DVD
• Blu-ray™ playback requires Blu-ray drive and a Blu-ray disc
• For an AMD CrossFire™ system, a second AMD Radeon™ HD 7970 Graphics card, an AMD CrossFire™ Ready motherboard and one AMD CrossFire™ Bridge Interconnect cable is required
• Use of 3 or more displays with AMD Eyefinity technology requires a DisplayPort-capable panel or an AMD Eyefinity validated dongle.

AMD Radeon HD 7970 Specifications.