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Monday, June 30, 2008

Pentium 4 types, intro

Pentium 4
List of Intel Pentium 4 microprocessors
Produced:From 2000 to 2008
Max CPU clock:1.3 GHz to 3.8 GHz
FSB speeds:400 MT/s to 1066 MT/s
Min feature size:0.18 µm to 0.065 µm
Instruction set:x86 (i386), x86-64, MMX, SSE, SSE2, SSE3
Core names:
  • Willamette
  • Northwood
  • Prescott
  • Cedar Mill
The Pentium 4 brand refers to Intel's line of single-core mainstream desktop and laptop central processing units (CPUs) introduced on November 20, 2000[1] (August 8, 2008 is the date of last shipments of Pentium 4s[2]). They had the 7th-generation architecture, called NetBurst, which was the company's first all-new design since 1995, when the Intel P6 architecture of the Pentium Pro CPUs had been introduced. NetBurst differed from the preceding Intel P6 - of Pentium III, II, etc. - by featuring a very deep instruction pipeline to achieve very high clock speeds[3] (up to 4 GHz) limited only by max. power consumption (TDP) reaching up to 115 W in 3.6–3.8 GHz Prescotts and Prescotts 2M[4] (a high TDP requires an additional cooling that can be noisy or expensive). In 2004, the initial 32-bit x86 instruction set of the Pentium 4 microprocessors was extended by the 64-bit x86-64 set.
Pentium 4 CPUs introduced the SSE2 and SSE3 instruction sets to accelerate calculations, transactions, media processing, 3D graphics, and games. They also integrated Hyper-threading (HT), a feature to make one physical CPU work as two logical and virtual CPUs. The Intel's flagship Pentium 4 also came in a low-end version branded Celeron (often referred to as Celeron 4), and a high-end derivative, Xeon, intended for multiprocessor servers and workstations. In 2005, the Pentium 4 was superseded by the Pentium D and Pentium Extreme Edition dual-core CPUs.

Pentium D
List of Intel Pentium D microprocessors

Produced: From 2005 to 2008[1]
Max CPU clock: 2.66 GHz to 3.73 GHz
FSB speeds: 533 MT/s to 1066 MT/s
Min feature size: 0.09 µm to 0.065 µm
Instruction set: MMX, SSE, SSE2, SSE3, x86-64
Microarchitecture: NetBurst
Cores: 2 (2x1)
Socket: LGA 775
Core name: Smithfield, Presler

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