Until now, the earliest start of a market in March 2012 to go. Now in the forum of Chinese hardware website Chiphell.com appliedthe rumor that Nvidia's new top-class graphics is already next month - in the past, many insider claims presented here to be correct.
Technical details about Nvidia's 28 nanometer, they could speed up nvidia benchmarks alot.
With this information it was possible for the GPU clock and the amount of memory of the GTX 680: 780 MHz and 2 GB is supposedto be. Performance of the GTX 680 Nvidia made a statement some time ago: The new single core flagship is faster than the Radeon HD 7970 to be - such proprietary statements without specific additional information is always to enjoy but with caution.Nvidia benchmarks aren´t trustfull.