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The NetBurst microarchitecture, called P68 inside Intel, was the successor to the P6 microarchitecture in the x86 family of central processing units (CPUs) made by Intel. The first CPU to use this architecture was the Willamette-core Pentium 4, released on November 20, 2000, and the first of the Pentium 4 CPUs; all subsequent Pentium 4 and Pentium D variants have also been based on NetBurst. In mid-2001, Intel released the Foster core, which was also based on NetBurst, thus switching the Xeon CPUs to the new architecture as well. Pentium 4-based Celeron CPUs also use the NetBurst architecture.

Key facts

CPU.sock5
LGA 771
CPU.sock6
LGA 775
CPU.predecessor
P6
CPU.name
NetBurst
CPU.model
Celeron
CPU.model1
Celeron D
CPU.model2
Pentium 4
CPU.model3
Pentium D
CPU.model4
Xeon
CPU.cores
1-2 (2-4 threads with hyper-threading)
CPU.transistors
42M 180 nm (B2, C1, D0, E0)
CPU.transistors1
55M 130 nm (B0, C1, D1, M0)
CPU.transistors2
125M 90 nm (C0, D0, E0, G1)
CPU.transistors3
169M 90 nm (M0, N0, R0)
CPU.transistors4
230M 90 nm (A0, B0)
CPU.transistors5
188M 65 nm (B1, C1, D0)
CPU.transistors6
376M 65 nm (B1, C1, D0)
CPU.transistors7
328M 65 nm (B0)

via Wikipedia infobox

~11 min read

Article

17 sections
Contents
  • Technology
  • Hyper-threading
  • Quad-Pumped Front-Side Bus
  • Hyper-Pipelined Technology
  • Rapid Execution Engine
  • Execution Trace Cache
  • Replay system
  • Branch prediction hints
  • Issues in development and scaling
  • Revisions
  • Roadmap
  • Successor {{anchor|Future}}
  • NetBurst-based chips
  • See also
  • Notes
  • References
  • External links

The NetBurst microarchitecture, called P68 inside Intel, was the successor to the P6 microarchitecture in the x86 family of central processing units (CPUs) made by Intel. The first CPU to use this architecture was the Willamette-core Pentium 4, released on November 20, 2000, and the first of the Pentium 4 CPUs; all subsequent Pentium 4 and Pentium D variants have also been based on NetBurst. In mid-2001, Intel released the Foster core, which was also based on NetBurst, thus switching the Xeon CPUs to the new architecture as well. Pentium 4-based Celeron CPUs also use the NetBurst architecture. It was discontinued in 2010 and replaced with the Core microarchitecture based on P6, released in July 2006.

== Technology == The NetBurst microarchitecture includes features such as Hyper-threading, Hyper Pipelined Technology, Rapid Execution Engine, Execution Trace Cache, and replay system which all were introduced for the first time in this particular microarchitecture, and some never appeared again afterwards.

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