GLOSSARY- Processor
Pentium D
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| Pentium D:
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The Pentium D brand refers to two series of dual-core 64-bit x86 processors with the NetBurst microarchitecture. Each CPU comprised two single-core dies (CPUs) - next to each other - in one Multi-Chip Module package. The brand's first processor, codenamed Smithfield, was released by Intel on May 2005. Nine months later, Intel introduced its successor, codenamed Presler, but without offering significant upgrades in design, still resulting in a relatively high power consumption. The NetBurst processors reached the clock speed barrier at 4 GHz due to a thermal and power limit exemplified by the Presler's 130 W TDP. The future belonged to more efficient and slower clocked dual-core CPUs on a single die instead of two. The dual die Presler's[6] last shipment date on August 2008 will mark the end of the Pentium D brand and also the NetBurst microarchitecture.
The dual-core CPU runs very well with multi-threaded applications (typical for transcoding audio and video, compressing, photo and video editing and rendering, ray-tracing). The single-threaded applications alone, including games, do not benefit from the second core of dual-core CPU over equally clocked single-core CPU. Nevertheless, the dual-core CPU is useful to run both the client and server processes of a game without noticeable lag in either thread, as each instance could be running on a different core. Furthermore, multi-threaded games benefit from the dual-core CPUs. As of 2008 many business and gaming applications are optimized for multiple cores.[citation needed] They ran equally well, whether alone, or on the Pentium D or older Pentium 4 branded CPUs at the same clock speed. However, the applications rarely run alone on computers under Microsoft Windows, Linux, BSD operating systems. In such multitasking environments, when an antivirus software is running in the background of another program, or where several CPU-intensive applications are running simultaneously, each core of the Pentium D branded processor can handle different programs, improving the overall performance over its single-core Pentium 4 counterpart.
| Intel Pentium D processor family |
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Desktop |
| Code-named |
Core |
Date released |
Smithfield
Presler |
(90nm)
(65nm) |
May 2005
Jan 2006 |
Smithfield XE
Presler XE |
(90nm)
(65nm) |
May 2005
Jan 2006 |
| List of Intel Pentium D microprocessors |
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