miércoles, 19 de septiembre de 2007

Intel Pentium D


Los procesadores Pentium D fueron introducidos por Intel en el Spring 2005 Intel Developer Forum. Un chip Pentium D consiste básicamente en dos procesadores Pentium 4 (de núcleo Prescott) en una única pieza de silicio con un proceso de fabricación de 90 nm. El nombre en clave del Pentium D antes de su lanzamiento era "Smithfield". Incluye una tecnología DRM (Digital rights management) para hacer posible un sistema de protección anticopia de la mano de Microsoft.

Existen cinco variantes del Pentium D:

  • Pentium D 805, a 2,6 GHz
  • Pentium D 820, a 2,8 GHz
  • Pentium D 830, a 3,0 GHz
  • Pentium D 840, a 3,2 GHz
  • Pentium D Extreme Edition, a 3,2 GHz, con Hyper Threading. Nota: no confundir con el Pentium 4 Extreme Edition, a 3,73 GHz, que únicamente posee un único núcleo Prescott)

Cada uno de ellos posee dos núcleos Smithfield que a su vez estan basados en el núcleo Prescott, están fabricados en un proceso de 90 nm, con 1 MB de memoria caché L2 para cada núcleo. Todos los Pentium D incluyen la tecnología EM64T, que les permite trabajar con datos de 64 bits nativamente. Las placas base que los soportan son las que utilizan los chipsets 101, 102, 945, 965 y 975 .

Actualmente se han añadido otras once variantes del Pentium D, estas son:

  • Pentium D 915, a 2,8 GHz
  • Pentium D 920, a 2,8 GHz
  • Pentium D 925, a 3,0 GHz
  • Pentium D 930, a 3,0 GHz
  • Pentium D 935, a 3,2 GHz
  • Pentium D 940, a 3,2 GHz
  • Pentium D 945, a 3,4 GHz
  • Pentium D 950, a 3,4 Ghz
  • Pentium D 960, a 3,6 Ghz
  • Pentium D 955 Extreme Edition, a 3,466
  • Pentium D Extreme Edition 965, a 3,73GHz, un FSB de 1066 MHz FSB y cache de 2 MB L2 en cada núcleo.

Cada uno de ellos posee dos núcleos Cedar Mill, conformando así el core Presler, estan fabricados en un proceso de 65 nm con 2 MB de memoria caché L2 para cada núcleo. Todos los 9x5 se les denomina así porque éstos no contienen la tecnología Intel de virtualización (Intel VT), que se diferencia por permitir la Virtualización por hardware, similar a la AMD-V (AMD Virtualization).

Un dato a destacar es que los procesadores fabricados en el primer trimestre de 2006 no traen soporte para la tecnología SpeedStep. Esta tecnología está disponible para el Core Stepping C1 en adelante (se identifica el Core Stepping mediante el "sSpec Number" del procesador). La serie 6x1 de procesadores Pentium 4 single core, también está afectada por esta limitación.

-------------------------------------------------------------------------------------------------
Producción: 2005 - 3/9/2007
Fabricante: Intel
Velocidad de CPU: 2,66 GHz a 3,73 GHz
Velocidad de FSB: 533 MHz a 800 MHz
Procesos:
(Longitud de canal del MOSFET)
0,09 µm a 0,065 µm
Conjunto de instrucciones: MMX, SSE, SSE2, SSE3, EM64T
Microarquitectura: NetBurst
Socket: LGA 775
Cores:
  • Smithfield
  • Presler

Record del Mundo

Intel Pentium D 915 (Presler) @ 7442.71 Mhz Nick DeDal, Russia

CPU-Z Database (ID : 201144)
Submitted by DeDaL
Submitted on Fri, 25 May 2007 02:04:06 +0200 with CPU-Z 1.40

CPU-Z DumpVerified



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