![]() ![]() ![]() The GMCH and ICH combined are referred to as the chipset. This white paper explores the details on some key features and their impact on test, measurement, and control applications.Īs shown in Figure 1, the previous Intel microarchitectures for a single processor system included three discrete components: a CPU a Graphics and Memory Controller Hub (GMCH), also known as the northbridge and an I/O Controller Hub (ICH), also known as the southbridge. Besides using the power consumption benefits of 45nm, Intel made some dramatic changes in the Nehalem microarchitecture to offer new features and capabilities in the Core i7 family of processors. The Intel Nehalem microarchitecture that encompasses the Core i7 class of processors uses a 45nm fabrication process for different processors in the Core i7 family. This allowed Intel to create higher-performance processors that consumed similar or less power than previous-generation processors. The Intel Penryn mircoarchitecture, which included the Core 2 family of processors, was the first mainstream Intel microarchitecture based on the 45nm fabrication process.
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