Na February 1, 2004, Intel webatara ọhụrụ isi codenamed "Prescott". The isi eji 90 nm usoro maka oge mbụ, nke otu nyocha kọwara dị ka "a isi reworking nke Pentium 4 si microarchitecture". N'agbanyeghị nke a overhaul, arụmọrụ uru ndị na-ekwekọghị ekwekọ. Ụfọdụ omume uru site Prescott si okpukpu abụọ cache na SSE3 ntụziaka, ebe ndị ọzọ na-mebiri site ya ogologo pipeline. The Prescott si microarchitecture kwere ubé elu elekere ọsọ, ma ọ bụghị fọrọ nke nta ka dị elu dị ka Intel ama atụ anya. The kasị ngwa ngwa-emepụta Prescott dabeere Pentium 4s e clocked na 3.8 GHz.
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