Details of the platform AMD Deccan and 28 nm processors Wichita and Krishna

With the implementation of the concept of Fusion, which in “iron” is embodied as a platform for AMD Brazos, a company out of Sunnyvale has found a new niche in PCs. Thanks to the authors of the Turkish site Donanim Haber, we can get acquainted with the platform Deccan, which is a logical continuation of the Brazos and would replace it in 2012.

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As you know, Brazos involves the use of 40-nm APU Zacate and Ontario, computing cores which are built in accordance with the micro-Bobcat. Deccan platform will offer a 28-nm processor, codenamed Wichita and Krishna. In addition to doubling the number of cores in comparison to its predecessors (Wichita will receive four, Krishna two), the new chips will be based on “new architecture of Bobcat” with some important technological advances.

The platform will get the support of Deccan RAM DDR3-1600 with low operating voltage. Also, improved technology will dynamically change the processor speed Turbo Core: index rate will adjust to the current needs of the system, thereby conserving energy while working in conditions with minimal overhead. Thanks to the “reduced” process, support the advanced features and improved power optimization unit hardware decoding video processor SAMU Wichita and Krishna will spend about 20% less energy to play DVD or Blu-Ray. If we talk numbers, then the maximum power consumption of Wichita, and Krishna will remain at Zacate and Ontario (20 watts for a model with four cores, and 8 for the two nuclei, while the idle power consumption is 1 watt, while watching video from Blu-Ray media consumption is at 3.5 watts), the same performance of new generation processors, on average grew by 30% to 25% in multithreaded applications, and 15% in DirectX 11.

Summarizing, we can say that the platform Deccan will include a new processor built on 28 nm architecture, an updated graphics engine, details of which were not disclosed, as well as the chipset Hudson D2. The platform will find their way into netbooks, mobile PCs and entry-level tablets. According to available data, expect the Deccan to the end of the second quarter of 2012.


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