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Intel® Quickpath Interconnect Maximizes Multi-Core Performance

Maximizing multi-core processor performance

Intel® QuickPath Technology plays a key role in the latest generations of Intel® microarchitecture. Learn how it enables high performance in 2nd generation Intel® Core™ processors, Intel® Core™ processors, and Intel® Xeon® processors.

Point-to-point links speed up data movement

Intel® QuickPath Technology uses Intel® QuickPath Interconnect, which provides high-speed, point-to-point links inside and outside of the processor. In contrast to parallel buses, these links speed up data transfers by connecting distributed shared memory, the internal cores, the I/O hub, and other Intel® processors.

 Integrated memory controllers and Intel® QuickPath Technology work together to deliver:

  • Scalable, high-performance communications
  • Outstanding memory performance and flexibility to support leading memory technologies
  • Tightly integrated interconnect reliability, availability, and serviceability (RAS) 
  • Configurations allowing optimal balance of price, performance, and energy efficiency

Graphical explanation of links

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Faster flow, more dependable microarchitecture

The previous generation of processors used slower, parallel front-side-bus architectures. Intel QuickPath Technology accelerates the flow of data by introducing multiple pairs of high-speed serial links. By grouping several paths together with intelligent management, Intel® QuickPath Technology can deliver up to 25.6 GB/s between components and maintain communications even when a link fails.

For a general overview of Intel® QuickPath Interconnect

Read introductory white paper >

For developer-level details about Intel® QuickPath architecture

Read microarchitecture white paper >