The Intel
®
processor roadmap for industry-
standard servers
technology brief, 10
th
Edition
Abstract ..............................................................................................................................................2
Introduction .........................................................................................................................................2
Intel processor architecture and microarchitectures ...................................................................................2
NetBurst
®
microarchitecture ...................................................................................................................5
Hyper-pipeline and clock frequency ....................................................................................................5
Hyper-Threading Technology..............................................................................................................7
NetBurst microarchitecture on 90nm silicon process technology .............................................................9
Extended hyper-pipeline...............................................................................................................10
SSE3 instructions.........................................................................................................................10
64-bit extensions —Intel 64..........................................................................................................10
Two-core technology .......................................................................................................................11
Intel Core™ microarchitecture ..............................................................................................................12
Processors......................................................................................................................................12
Xeon two-core processors ................................................................................................................12
Xeon four-core processors ................................................................................................................13
Enhanced SpeedStep® Technology...............................................................................................14
Intel Virtualization® Technology....................................................................................................15
Intel
®
Microarchitecture Nehalem .........................................................................................................15
Integrated memory controller............................................................................................................15
Intel
®
QuickPath Technology ............................................................................................................16
Three-level cache hierarchy..............................................................................................................17
Intel
®
Hyper-Threading Technology ...................................................................................................18
Intel
®
Turbo Boost Technology ..........................................................................................................18
Dynamic Power Management...........................................................................................................19
Performance comparisons....................................................................................................................20
TPC-C performance.........................................................................................................................20
SPEC performance..........................................................................................................................20
Conclusion ........................................................................................................................................21
For more information ..........................................................................................................................22
Call to action .....................................................................................................................................22