Intel nehalem and penryn information

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POSTER: computer news   ||   INTEL NEHALEM AND PENRYN INFORMATION	DATE:2007-03-29
Although the spring session IDF in this year will start during April, Intel company already worked on the propagation of information about processors generations penryn and Nehalem. The part of this information was already accessible to us;. Apparently, information grow in proportion to the near announcement of processors AMD generation K8L (K10), and now Intel decided to describe the processors penryn and Nehalem in more detail. Let us recall that processors penryn will become the 45 nm successors Of conroe without significant architectural changes, and nehalem processors with the same 45 nm technical process will already propose new architecture and special features which we will describe below. Let us transfer the basic of those update. The  mobile processors generation penryn will propose new technology, which most simply can be described by ( Hyper-Threading counter part), the official name of this technology is  Enhanced dynamic acceleration technology. Essence of this technology in the increase of processor resources in applications, optimized for working in one flow. The second core in this case is set to state with minimum energy consumption, and the first core increases its frequency, with this method Intel will maintain the processor TDP is the correct assigned Value. Associates consider that this technology will allow to smooth the difference between single core and dual core processors. The mobile processors generation penryn will also get a new energy state C6 (Deep power down), which will be characterized not only by turning off core and reduction in vcore to the minimum, but also by turning off the processor cache . This will increase the off-line operation period for notebook. The Desktop processors generation penryn will be placed in the same energy classes as predecessors: 95/130 W for four core processors and 65 W for dual core processors. The first in this case can have up to 12 mb cache in the second level (2 X 6 mb.), the second up to 6 mb divided cache in the second level. Although upon transfer from four core processors kentsfield to their 45 nm successors yorkfield the number of transistors grew from 582 to 820 mln. pieces, the area of each dual core segment was reduced from 143 to 107 sq. mm, i.e., by 25%. This is one of the key advantages with 45 nm Intel processors from the side production technological effectiveness . The processors generation penryn will get the frequency of system bus 1600 MHz; however, this support will be  first for servers processors. The level TDP of four core 45 nm servers processors will not exceed 120 W, frequency will lie in the range more than 3 GHz. The desktop processors penryn will also operate at frequency more than 3 GHz. The frequency of series processors will be for sure in the limit of 3.2 GHz; however, Intel representatives do not exclude the possibility of raising the frequency to 3.6 GHz if necessary. Which is characteristic, the estimation of increase in speed is conducted in comparison with processor generation penryn with frequency 3.2 GHz and processors generation conroe with frequency 3.0 GHz. The first must exceed predecessor in games approximately by 20%, in applications on video coding this value will be more than 40%, with condition of using SSE4 expansions . In server environment four core processor penryn promise to 45% higher performance than predecessors in most tasks. A drop in frequencies with comparison of processors from different generations is left for more noticeable victory Of penryn. At the equal frequencies the average advantage Of penryn over Conroe will not exceed 10-20%. Of course these are only our assumptions. Intel already has available 45 nm processors, which work at frequency 3.33 GHz. As far as processors generation nehalem, whose production on 45 nm technology will start in the second-half of 2008, are concerned, here Intel plan the basic special features of new architecture. As we already said in previous news, the processors nehalem will be able support the technology hyper-Threading. This will allow processor with eight physical cores to process sixteen flows. Single core processors among the representatives of generation nehalem will be also preserved. The architecture nehalem promises to be sufficiently flexible, that allow to create processors with different combination . processors nehalem will use multilevel divided cache. Although Intel representatives do not give the precise interpretation of these words , our associates has the opinion, that processors nehalem will acquire the divided cache in the third level, similar to processors AMD barcelona. Control of energy consumption of processors nehalem will be more advanced, than in predecessors. The built-in memory controller in processors nehalem will also appear; however, it cannot be asserted that such future will appear immediately in all segments. For sure it will ensure support to memory of type DDR- 3, and in server segment the support to the completely buffered memory FB-DIMM. we confirmed information about Intel intentions to build in some processors generation nehalem a graphic core. In this case the physically processor and graphic core can have a different crystals, united in one packing. The processors nehalem will work with the sequential system bus CSI, which will allow to remove many bottlenecks. In 2009 will appear 32 nm processors generations westmere, which will get many architectural special features of processors nehalem. Related Products :

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