Pentium D
- Smithfield
- Presler
The Intel Pentium D ( codenamed Smithfield and Presler ) is the brand name of a family of dual-core CPUs from Intel.
History and Architecture
The Pentium D is a microprocessor developed by Intel's research and development department in Israel and presented in spring 2005 at the Intel Developer Forum for the first time to the public. The manufactured in 90 nm Smithfield consists of two based on the NetBurst architecture Pentium 4 Prescott cores on one die. Each of the two cores is provided with a eight- 1 MIB - associative L2 cache. Both cores communicate via a common, clocked with 200 MHz FSB 800 with the chipset of the motherboard. In contrast, individually crafted Pentium 4 Cedar Mill -based This together later when manufactured in 65 nm Presler two to a package, also have the cores each have 2 MiB L2 cache. The Pentium D uses the Socket 775 and runs on Intel's 945 chipset series and the 955X and 975X chipset.
However, unlike previous models of the Pentium D does not support Hyper- Threading Technology (HTT ), which divides each physical core into two logical cores. This feature remains the Pentium Extreme Edition reserved that gets donated to the Presler core as an additional distinguishing feature of a FSB1066. Intel Virtualization Technology is supposed to be already contained in Smithfield, but was activated in the Presler.
The Presler is Intel's last on the NetBurst architecture -based model is and was replaced by the Core -2, based on the Core microarchitecture.
Origin of the name
The meaning of the letter " D " in the name " Pentium D" is unclear. Intel has been no official statement from them. Also on the product descriptions, there is no definition. The most frequently mentioned interpretation is dual ( -core ) (double [ core ] ). Since the Pentium D was the first processor with an integrated DTCP - IP support, is also known as this interpretation.
Model data
Smithfield
Dual-core processor ( dual-core )
- Revision A0, B0
- L1 cache: the core 16 KiB ( Data ) plus 12,000 μOps ( instructions )
- L2 cache: 1024 KiB The core processor with clock
- MMX, SSE, SSE2, SSE3, Intel 64, EIST (not with 805 and 820), XD-Bit
- LGA775, AGTL at 133 and 200 MHz FSB (quad pumped FSB 533 and FSB 800 )
- Core voltage ( Vcore ): 1.25 to 1.4 V
- Power loss (TDP ): 95-130 W
- Release Date: April 19, 2005
- Manufacturing Technology: 90 nm
- The size: 206 mm ² with 230 million transistors
- Clock rates: 2.66 to 3.2 GHz
- Model Numbers: 133 MHz FSB, 95W TDP 805: 2.66 GHz
- 820: 2.8 GHz
- 830: 3.0GHz
- 840: 3.2GHz
Presler
Dual-core processor ( dual-core )
- Revision B1, C1, D0
- L1 cache: the core 16 KiB ( Data ) plus 12,000 μOps ( instructions )
- L2 cache: 2048 KiB The core processor with clock
- MMX, SSE, SSE2, SSE3, Intel 64, XD bit, Intel VT, EIST
- LGA775, AGTL with 200 MHz FSB (quad pumped: FSB800 )
- Core voltage ( Vcore ): 1.225 to 1.4 V
- Power loss (TDP ): 95-130 W
- Release Date: January 5, 2006
- Manufacturing Technology: 65 nm
- The size: 162 mm ² at 376 million transistors
- Clock rates: 2.8-3.6 GHz
- Model Numbers: 95W TDP 915: 2.8 GHz ( without IVT)
- 920: 2.8 GHz ( Rev B1, without EIST)
- 925: 3.0 GHz ( without IVT)
- 930: 3.0 GHz ( Rev B1 without EIST)
- 935: 3.2 GHz ( without IVT)
- 940: 3.2 GHz ( Rev B1 without EIST)
- 945: 3.4 GHz ( without IVT)
- 950: 3.4 GHz ( Rev C1, D0)
- 960: 3.6 GHz ( Rev D0)
- 950: 3.4 GHz ( Rev B1, without EIST)
- 960: 3.6 GHz ( Rev C1)