Sandy Bridge-E Model Numbers, Clock Speeds Surface

Intel logoHere are details of the first three models of Intel's "Sandy Bridge-E" Core i7 processors in the LGA2011 package. Some of these details were made public as early as mid-April. It was then analyzed that Intel was driving two distinct lines of LGA2011 client processors: Enthusiast and Performance, and within Performance, there were BClk multiplier-unlocked six-core, and locked quad-core chips. With the new series, Intel will move to the 3000 series of processor model numbering, indicating that the new processors will be part of Intel's 3rd generation Core processors, even though they're based on the Sandy Bridge architecture.

Before we move to the model numbers, here's a quick run up of the brand extenders. "X" denotes Extreme Edition, "K" denotes "Unlocked" (BClk multipler unlocked). Leading the pack will be Core i7-3960X Extreme Edition. This six-core (6 cores, 12 threads with HTT) chip has a nominal clock speed of 3.30 GHz, Turbo Boost speed of up to 3.90 GHz, and features the full 15 MB of L3 cache present on the Sandy Bridge-E silicon. Expect this chip to have a four figure price-tag.

Next up, is the Core i7-3930K, with 6 cores, 12 threads, a nominal clock speed of 3.20 GHz, and Turbo Boost speed of 3.80 GHz; but 12 MB of L3 cache compared to 15 MB on the Extreme Edition chip. This chip features an unlocked BClk multiplier, making overclocking it possible.

The most affordable LGA2011 chip will be Core i7-3820, with 4 cores, 8 threads, nominal clock speed of 3.60 GHz, Turbo speed of 3.90 GHz, and just 10 MB of L3 cache. Unlike the other two, this one has its BClk multiplier locked. All three models feature quad-channel DDR3 memory controllers, but it is likely that the lower-end models could also have lower DRAM multiplier limits. All three chips will have other features in common, including a PCI-Express 3.0 root complex that gives out two x16 links to drive graphics.

Source: techPowerUp

Tags: CPUs, Intel

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