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Pentium 4 EE and Xeon processors obtain 8-layer design

On the last weekend Intel published two new papers dedicated to a number of changes in the production technology of Pentium 4 Extreme Edition with Hyper-Threading and Xeon with 1MB or 2MB L3 cache. Having been previously made using only the 6-layer 0.13µm process, these processors now have two 0.13µm processes, 6-layer and 8-layer.

The products made using the aforementioned technology and scheduled for retail shipments to April 2 include:

  • 3.2GHz Pentium 4 Extreme Edition (Hyper-Threading) — S-Spec SL7AA, M-0 stepping
  • 3.4GHz Pentium 4 Extreme Edition (Hyper-Threading) — S-Spec SL7CH, M-0 stepping
  • 3.06GHz Xeon — S-Spec SL72G, M-0 stepping
  • 3.20GHz Xeon — S-Spec SL72Y, M-0 stepping
  • 3.40GHz Xeon — S-Spec SL7D4, M-0 stepping
  • 2.80GHz Xeon — S-Spec SL7D5, M-0 stepping
  • 3.20GHz Xeon — S-Spec SL7AE, M-0 stepping

As you can see, S-Spec and steppings remained the same. According to the published papers, the logic and design, electrical, thermal and mechanical properties remained the same as well.

In other words, the new chips still meet the Intel Pentium 4 Processor with 512-KB L2 Cache on 0.13 Micron Process and Intel Pentium 4 Processor Extreme Edition Supporting Hyper-Threading Technology Electrical, Mechanical, and Thermal Specifications (EMTS) Revision 2.7 and Intel Xeon Processor and Intel Xeon Processor MP on 0.13 Micron Process Electrical, Mechanical, and Thermal Specifications (EMTS) Revision 2.3.

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