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Intel Desktop Pentium 4 Willamette microprocessor

CPU » Pentium 4 family » Pentium 4 Willamette
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Pentium III (Tualatin)
  • » P6 microarchitecture
  • » Desktop CPU
  • » Up to 1.4 GHz
  • » 133 MHz FSB
  • » 256 and 512 KB L2 cache
  • » Uni/dual-processing
  • » AGTL system bus
  • » SSE
Soldered on board
Socket 370
 Pentium 4 (Willamette)
  • » Netburst microarchitecture
  • » Desktop CPU
  • » Up to 2 GHz
  • » 400 MHz FSB
  • » 256 KB L2 cache
  • » SSE2
Socket 423
Socket 478
 Celeron (Willamette)
  • » Budget desktop CPU
  • » 128 KB L2 cache
 Pentium 4 (Northwood)
  • » Netburst microarchitecture
  • » Desktop CPU
  • » Up to 3.4 GHz
  • » Up to 800 MHz FSB
  • » 512 KB L2 cache
  • » Hyper-Threading
  • » SSE2
Socket 478

To compare different versions of desktop Pentium 4 CPUs, including Northwood, Prescott and Cedar Mill Pentium 4s, please see Intel desktop Pentium 4 microprocessor chart.
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Production parts

Intel Pentium 4 1.3 GHz - 80528PC1.3G0K

Intel Pentium 4 1.3 GHz - 80528PC1.3G0K

1.3 GHz
423-pin OLGA/PGA package

Engineering sample

Intel Pentium 4 1.3 GHz - 80528PC013G0K (BX80528JK130G)

Intel Pentium 4 1.3 GHz - 80528PC013G0K (BX80528JK130G)

1.3 GHz
423-pin OLGA/PGA package

Intel Pentium 4 1.4 GHz - 80528PC1.4G0K

Intel Pentium 4 1.4 GHz - 80528PC1.4G0K

1.4 GHz
423-pin OLGA/PGA package

Engineering sample

Intel Pentium 4 1.4 GHz - 80528PC017G0K (BX80528JK140G)

Intel Pentium 4 1.4 GHz - 80528PC017G0K (BX80528JK140G)

1.4 GHz
423-pin OLGA/PGA package

Intel Pentium 4 1.4 GHz - RK80531PC017G0K (BX80531NK140G)

Intel Pentium 4 1.5 GHz - 80528PC021G0K (BX80528JK150G)

Intel Pentium 4 1.5 GHz - 80528PC021G0K (BX80528JK150G)

1.5 GHz
423-pin OLGA/PGA package

Intel Pentium 4 1.5 GHz - RK80531PC021G0K (BX80531NK150G)

Intel Pentium 4 1.5 GHz - RK80531PC021G0K (BX80531NK150G)

1.5 GHz
256 KB L2 cache
478-pin FC-PGA2

Intel Pentium 4 1.6 GHz - RN80528PC025G0K (BX80528JK160G)

Intel Pentium 4 1.6 GHz - RK80531PC025G0K (BX80531NK160G)

Intel Pentium 4 1.7 GHz - RN80528PC029G0K (BX80528JK170G)

Intel Pentium 4 1.7 GHz - RK80531PC029G0K (BX80531NK170G)

Intel Pentium 4 1.8 GHz - RN80528PC033G0K (BX80528JK180G)

Intel Pentium 4 1.8 GHz - RN80528PC033G0K (BX80528JK180G)

1.8 GHz
423-pin OLGA/PGA package

Intel Pentium 4 1.8 GHz - RK80531PC033G0K (BX80531NK180G)

Intel Pentium 4 1.8 GHz - RK80531PC033G0K (BX80531NK180G)

1.8 GHz
256 KB L2 cache
478-pin FC-PGA2

Intel Pentium 4 1.9 GHz - RN80528PC037G0K (BX80528JK190G)

Intel Pentium 4 1.9 GHz - RK80531PC037G0K (BX80531NK190G)

Intel Pentium 4 2 GHz - RN80528PC041G0K (BX80528JK200G)

Intel Pentium 4 2 GHz - RN80528PC041G0K (BX80528JK200G)

2.0 GHz
423-pin OLGA/PGA package

Intel Pentium 4 2.0 GHz - RK80531PC041G0K (BX80531NK200G)

Samples only

Intel Pentium 4 - 80528PC1.XG0K

Intel Pentium 4 - 80528PC1.XG0K



Early engineering sample of Pentium 4. This processor was manufactured in second half of May of 2000 - one month before Intel announced Pentium 4 brand name and six months before the Pentium 4 family was officially launched. The processor is not marked with specific speed, the part number specifies speed as 1.X GHz.

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Last modified: 2 Jan 2010
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