Overview of Intel Core i7 Processor

In August 2008, Intel announced there new upcoming next generation 45nm microarchitecture desktop processor which will join the family of “Intel Core” processors, codenamed as “Nehalem”. Intel tagged this new Nehalem processor as “i7” which apparently shows that it will be a 7-core processor. The “Intel Core i7” will come out in two different series – Intel Core i7 and Intel Core i7 Extreme Edition.

Intel has introduced some new features with their Core i7 processor, including Hyper Threading, QuickPath Interconnect (QPI) bandwidth, Turbo Mode. With the new QPI Bandwidth technology Intel has developed a way out of their current bandwidth stravation problem. In addition to it Intel will not have to design huge caches with the processor to overcome the bandwidth starvation issues. QPI is basically a replacement for the Front Side Bus (FSB).

This new Intel Core i7 (Nehalem) processor will be using DDR3 Ram and is also equipped with L3 Cache of 8mb which was not in any processor of Intel previously. The L2 cache has been reduced to 256kBx4 as compared to the previous Core2Duo and Core2Quad processors which had L2 Cache of upto 6mb.

Here is a comparison chart between 3 major processors
– Intel Core i7 Processor – 965, 940 and 920
– Intel Core 2 Quad – QX9770, Q9650, Q9550, Q9450 and Q6700
– Intel Core 2 Duo – E8500
– AMD Phenom X4 – 9950BE, 9850BE and 9750


(This comparison is conducted by Bit-Tech.net)

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