Optimum memory operation mode for Core i7 processors

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POSTER: computer news   ||   OPTIMUM MEMORY OPERATION MODE FOR CORE I7 PROCESSORS	DATE:2008-11-03
It was proven that the increase from the passage to the three-channel operation mode does affect the operating systems (core i7 ) speed . In this case the passage from the single-channel regime to the dual-channel has a larger performance impact. With Core i7 processor the memory controller was moved to the central processor, And in this case the system should be more sensitive to the memory timing. From other side, increase in the memory frequency result in capacity increase , which is also important in certain cases. Associates tried to figure out the optimum memory operation mode using core i7 processors . The comparative speed tests were executed in the regimes DDR 3-1066 (9 9 9-20), DDR 3-1333 (9 9 9-20) and DDR 3-1600 (9 9 9-24). Since with frequency increase , the timing in this case are barely changed, it is possible to estimate the influence of memory frequency on the operating system speed . As it was explained, passage from the regime DDR 3-1066 to the regime DDR 3-1600 result in latency reduction from 44.2 to 33.5 NS. In practice this increase the speed by approximately 12% in WinRAR. According to the estimations of our associates, DDR 3-1333 memory with timing 8-8-8-20 will satisfy the need of 80% core i7 processors owners. From the side price / performance the regime DDR 3-1333 with timing 7-7-7-20 will be optimum. Related Products :

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