Intel Pentium 4 1.4 GHz - RK80531PC017G0K (BX80531NK140G)SpecificationsNew 478-pin micro-PGA package for desktop Pentium 4 microprocessors was introduced in August 2001 together with 1.9 GHz and 2 GHz versions of Pentium 4s. Almost full line of Willamette CPUs, starting from this Pentium 4 1.4 GHz, was also converted to use the brand-new 478-pin package. This package, compatible with socket 478 motherboards, had 35% smaller width and height, and 57% smaller package area than original Pentium 4 CPUs. This reduction in size was achieved by cutting distance between pins in half. The smaller package was the major change in socket 478 Willamette processors. There were also minor differences between socket 423 and 478 versions of Pentium 4 in electrical characteristics, maximum operating temperature and Thermal Design Power. All major CPU features, such as micro-architecture, size of cache memory, support for SIMD instructions, etc, stayed the same on socket 478 Willamette processors.
Socket 478 Willamettes do not have any performance advantage over socket 423 CPUs, but they provide much better upgrade path. In most cases, this 1.4 GHz CPU can be upgraded to 2.6 GHz Pentium 4 with 400 MHz FSB, or, even to faster, but significantly more rare, 2.8 GHz and 3 GHz Pentium 4s with 400 MHz FSB. Socket 423 CPUs can be upgraded to Pentium 4 2 GHz. Although socket 423 motherboards can be used with faster socket 478 processors, you will need to buy a special socket 423-to-478 adapter for that, and the cost of the adapter is usually higher than the cost of the Pentium 4 2.6 GHz, even years after Pentium 4 family became obsolete. Other upgrade options for this socket 478 Pentium 4 CPU depend primarily on the motherboard. If the motherboard supports 533 MHz FSB then you should be able to upgrade to Pentium 4 3.06 GHz with Northwood core. If, by any chance, the motherboard supports 800 MHz FSB, then you may be able to upgrade to Pentium 4 3.4 GHz, or, if the Prescott core is supported by your board, to Pentium 3.8 GHz. For more details on upgrade options please click on the Socket 478 link on this page. ToolsIntel Pentium 4 1.4 GHz specifications
CPUs, related to Intel Pentium 4 1.4 GHz (RK80531PC017G0K)
• Highlighted numbers and features indicate whether specific processor performs better or worse than Pentium 4 1.4 GHz (RK80531PC017G0K) • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom) • List of related CPUs is not complete. • Features abbreviations:
SSE3 - SSE3 instructions
HT - Hyper-Threading FAQQ: I have an Intel Pentium 4 1.4 GHz processor. Can I upgrade it?
A: Probably yes. CPU compatibility is determined by your motherboard. Please see CPU-Upgrade.com website for CPU support list for your board.
Intel Pentium 4 1.4 GHz OverclockingSorry, overclocking information is not available at this time.
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CPUID features of Intel Pentium 4 1400 MHzNOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the Intel Pentium 4 1400 MHz CPU.
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