Intel Quad-Core i7-860, 2.80 GHz, 8MB Cache, LGA 1156 CPU Intel Quad-Core i7-2600K 3.40 GHz, 8MB Cache, LGA 1155 CPU (Retail Edition NOTOEM) Intel Quad-Core i7-2600K, 3.40 GHz, 8MB Cache, LGA 1155CPU (Retail Edition NOT OEM)Brand Spanking New Retail PackIntel Core i7-2600K Sandy Bridge CPUIntel's processordevelopment follows a regular "tick-tock" cycle. The "tick" is therefinement of an existing architecture; the "tock" is a newarchitecture. Proceeding at a roughly yearly pace, the "tick-tock"model brought us the 45nm Nehalem architecture processors (the original Core-i3, -i5, and -i7 CPUs) as a "tock", and the subsequent 32nm Westmere processors as the "tick" part of the cycle. Now, Intel introduces their new Sandy Bridge architectureas the latest "tock", and Benchmark Reviews checks out the new SandyBridge-based Core i7-2600K. This unlocked, 3.4GHz, Hyper-Threading,quad-core CPU is the top of the Sandy Bridge line, and we'll see how it performs against the best AMD processors and Intel's own as well. Intel's firstquad-core processors were merely two dual-core dies on a single chip;the CPUs had to communicate across the front-side bus. Later iterationsput all four CPU cores on a single slice of silicon. In a similarfashion, Intel's Clarksdaleprocessors had on-chip video, but it was simply a separate GPU placedon the same chip as the CPU cores— even the process used was different:32nm for the CPU cores and 40nm for the GPU. But the Sandy Bridge CPUsmake the transition to a truly integrated product, with all four CPUcores and a GPU core on the same silicon. There's even a shared Level 3cache that's used by both the CPU and GPU cores. The integrated graphics core is the Intel HD Graphics 3000core, and Intel promises about twice the performance of the graphics core in the Clarksdale-architecture Core i5-661 processor. Like the CPU cores, the GPU core uses Intel's Turbo Boost technologyto increase its power draw and performance when thermal and powerheadroom permit. Since the Cougar Point motherboards I had availablefor this test were all based on the P67 Express chipset, which doesn'tsupport the integrated graphics of the Sandy Bridge processors, I wasn't able to test the graphics features of this CPU. Manufacturer: Intel CorporationProduct Name:Desktop Processor Core i7-2600KModel Number: BX80623I72600KManufacturer:INTELProduct Name:INTEL CORE I7 2600K SKT-1155 RETAILWeb Address:www.intel.comModel Number:BX80623I72600KPackage Type:RetailWarranty:3 Years Direct With ManufacturerInterface:Socket 1155No. of Cores:4Core Name:Sandy BridgeCore Frequency:3.40GHzProcess Technology:32nmThermal Design Power:95WIntegrated Graphics: Intel HD Graphics with Dynamic FrequencyGraphics Base Frequency: 850MHzGraphics Max Dynamic Frequency: 1.35GHzL1 Cache: 4 x 32KB instruction caches4x 32 KB data cachesL2 Cache:4 x 256KBL3 Cache:8MBGross Weight:0.37KgSpecial Features: Unlocked and UnleashedAdvanced Vector ExtensionsExtended Memory 64 technology (EM64T)Execute disable bitHyperThreading technologyTurbo Boost technology 2.0Virtualization technology (VT-x)Package Contents:Heatsink and Fan Please confirm what you required andwe would forward price details and related information. 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