43-ComptIA A+ 220-901 (RAM Channels ) by IT Training and Tutorials |
►Dual-channel-enabled memory controllers in a PC system architecture utilize two 64-bit data channels. Dual channel should not be confused with double data rate (DDR), in which data exchange happens twice per DRAM clock. The two technologies are independent of each other and many motherboards use both, by using DDR memory in a dual-channel configuration.
►DDR3 triple-channel architecture is used in the Intel Core i7-900 series (the Intel Core i7-800 series only support up to dual-channel). The LGA 1366 platform (e.g. Intel X58) supports DDR3 triple-channel, normally 1333 and 1600Mhz, but can run at higher clock speeds on certain motherboards. AMD Socket AM3 processors do not use the DDR3 triple-channel architecture but instead use dual-channel DDR3 memory. The same applies to the Intel Core i3, Core i5 and Core i7-800 series, which are used on the LGA 1156 platforms (e.g., Intel P55). According to Intel, a Core i7 with DDR3 operating at 1066 MHz will offer peak data transfer rates of 25.6 GB/s when operating in triple-channel interleaved mode. This, Intel claims, leads to faster system performance as well as higher performance per watt
►Quad-channel DDR4 has replaced DDR3 on the Intel X99 LGA 2011 platform. DDR3 quad-channel architecture is used in the AMD G34 platform and in the Intel X79 LGA 2011 platform. AMD processors for the C32 platform and Intel processors for the LGA 1155 platform (e.g., Intel Z68) use dual-channel DDR3 memory instead.
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►Guide to RAM Memory Channels as Fast As Possible : http://cut-urls.com/Va6NV
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